PLUMBER- PAGE 3
PLUMBER-PAGE 3- MCQs
1. What safety devices will you use to protect yourself while chipping ? (A) Guard (B) Goggles (C) Hand screen (D) Gloves
Ans: B
2. Why the wooden top used on a workbench ? (A) Absorb shocks (B) Reject shocks (C) Easy damage (D) Durable
Ans: A
3. Which safety precaution not associated with use of hammer ? (A) Make sure that the handle is fits tightly in the head. (B) Never use a hammer having a split handle. (C) Don’t strike hardened surface with a hammer. (D) Use hammer instead of any other tool.
Ans: D
4. Protect from electric shock which device use ? (A) Hand Screen (B) Plain goggles (C) Leather hand gloves (D) Rubber hand gloves
Ans: D
5. To protect from the eyes from rays of arc should use _______. (A) Plain goggles (B) Hand screen (C) Leather hand gloves (D) Rubber hand gloves
Ans: B
6. Which provide on the point of scriber to prevent accident ? (A) Cork (B) Twined (C) Paper cover (D) Plastic cover
Ans: A
7. Where white wash use on the job ? (A) Smooth surface (B) Rough surface (C) Finished surface (D) Plane surface
Ans: B
8. Which tool use to scribe lines to indicate dimensions on the workpiece ? (A) Punch (B) Calliper (C) Scriber (D) Divider
Ans: C
9. State the tool use for scribing lines parallel to datum surface. (A) Surface gauge (B) Surface plate (C) Marking table (D) Hammer
Ans: A
10. Point angle of prick punch (A) 30 degree (B) 90 degree (C) 45 degree (D) 62 degree
Ans: A
11. How to specify dividers ? (A) Joint and length (B) Peen and joint (C) Peen and length (D) Joints and pointer
Ans: A
12. State the angle of Try square. (A) 60 degree (B) 35 degree (C) 55 degree (D) 90 degree
Ans: D
13. Least count of a matric outside micrometer is (A) 0.01 mm (B) 0.03 mm (C) 0.3 mm (D) 0.02 mm
Ans: A
14. Name the tool use to measure outside diameter of a pipe. (A) Inside calliper (B) Steel rule (C) Outside calliper (D) jenny calliper
Ans: C
15. The included angle of twist drill bit is ________ degree (A) 120 (B) 112 (C) 118 (D) 90
Ans: C
16. File guard are used for the removal of (A) Suspended matters from the file. (B) Suspended matters from the jaw. (C) Suspended matters from the tap. (D) Suspended matters from die.
Ans: A
17. Hand taps are used to form the thread on (A) Internal threads (B) External threads (C) Convex surface (D) Concave surface
Ans: A
18. Socket is also one of the device of their (A) tap holder (B) drill holder (C) die holder (D) pipe holder
Ans: B
19. External threads are cut by (A) tap (B) die (C) tong (D) drills
Ans: B
20. Mortise Chisel is a (A) Cutting tool (B) Marking tool (C) Measuring tool (D) Assembling tool
Ans: A
21. Which tool is use for extracting nails ? (A) Ball peen hammer (B) Claw hammer (C) Sledge hammer (D) Mallet
Ans: B
22. Length of cross-cut saw is varies from (A) 700 to 750 mm (B) 300 to 350 mm (C) 800 to 850 mm (D) 600 to 650 mm
Ans: D
23. Name the tool to measure the surface level of small area. (A) Spirit level (B) Plumbob (C) Try Square (D) Water level
Ans: A
24. G.I. Pipe socket are designated by (A) Its nominal bore (B) Its length (C) Nominal bore of pipe for which it is meant (D) Its weights
Ans: C
25. Lead pipe and copper pipe are cut easy with (A) Hack saw (B) Pipe cutter (C) Knife (D) Chain pipe cutter
Ans: B
26. P.V.C. pipes are manufactured by using (A) Rubber (B) Plastic (C) Nylon (D) Polyvinyl chloride
Ans: D
27. Position of eccentric reducers are
A) Vertical B) Horizontal
C) 45° D) 90°
Ans: B
28. Spun Pipe (Cast iron) are manufactured by using (A) Metal moulds (B) Sand moulds (C) Clay moulds (D) None rotating moulds
Ans: A
29. Pipe wrench is used for pipes of diameter (A) Less than 15 mm (B) 15 to 50 mm (C) 50 to 150 mm (D) More than 150 mm
Ans: B
30. Tee is used for (A) Branch of at 90 degree (B) Branch of 45 degree (C) To deviate 90 degree (D) To connect die pipe at 45 degree
Ans: A
31. Every pipe bender will have (A) Back former (B) Inner former (C) Bleed screw (D) Hydraulic raw
Ans: B
32. Mortar pan is used for (A) Mixing of concrete (B) Finish floor (C) Measuring cement (D) Carry excavated materials
Ans: D
33. Compressive strength of any individual brick (A) shall be more than 10%. (B) shall be less than 10%. (C) shall not be less than 80% of specified strength. (D) shall be more than 8% of specified strength.
Ans: C
34. Cement concrete is (A) Good in tension (B) Weak in compression (C) Good in compression (D) Equal in tension and compression
Ans: C
35. While hand mixing of cement concrete (A) Cement and coarse aggregate is fast mixed (B) Cement and sand are first mixed (C) Cement and water are first mixed (D) None of these
Ans: B
36. Which tool is used for earth excavation, mixing mortar and mixing concrete ? (A) Spade (B) Mortar pan (C) Plumbob (D) Plumb rule
Ans: A
37. What type of bond is used for constructing curve and footing of foundation ? (A) Stretcher bond (B) Header bond (C) English bond (D) Flemish bond
Ans: B
38. What is used to binding stones, bricks e.t.c. ? (A) Trowel (B) Mortar (C) Spade (D) Mortar pan
Ans: B
39. To check straightness of brick masonry and plaster ________ is used. (A) Straight edge (B) Trowel (C) Spade (D) Shovel
Ans: A
40. Water absorption percentage of good brick of its own weight is _______. (A) less than 20% (B) greater than 20% (C) 25% (D) not more than 20%
Ans: D
41. Solder is an alloy of (A) Lead and Tin (B) Lead and Copper (C) Lead and Brass (D) Lead and Antimony
Ans: A
42. What type of flux is used for soldering Copper sheet, Brass sheet and Tin plates ? (A) Hydrochloric acid (B) Zinc chloride (C) Ammonium chloride (D) Resin
Ans: B
43. In torch brazing heat is applied by (A) Oxy-acetylene flame (B) Electric ore (C) Spelter (D) Silver solder
Ans: A
44. Which gases are used for cutting of steel and heating purpose only ? (A) Oxy acetylene gas flame (B) Oxy hydrogen gas flame (C) Oxy liquid petroleum gas flame (D) Oxy coal gas flame
Ans: A
45. Melting point of lead is (A) 332 deg C (B) 350 deg C (C) 327 deg C (D) 370 deg C
Ans: C
46. Which tongs are used for holding round rods horizontally ? (A) Flat tong (B) Square mouth tong (C) Hollow tong (D) Round Tong
Ans: C
47. The head of soldering iron is made of (A) Iron (B) Forged copper (C) Brass (D) Zinc
Ans: B
48. Which nut are used light duty assembly which requires frequent removal and fixing ? (A) Hexagonal nuts (B) Square nuts (C) Wing nuts (D) Knurled nuts
Ans: C
49. Foot rests of man hotes are fixed at
A) 60 cm B) 50 cm
C) 40 cm D) 30 cm
Ans: C
50. The portion of the Brick cut across its length is
A) King closer B) Bull nose
C) Queen closer D) Bat
Ans: D
Ans: B
2. Why the wooden top used on a workbench ? (A) Absorb shocks (B) Reject shocks (C) Easy damage (D) Durable
Ans: A
3. Which safety precaution not associated with use of hammer ? (A) Make sure that the handle is fits tightly in the head. (B) Never use a hammer having a split handle. (C) Don’t strike hardened surface with a hammer. (D) Use hammer instead of any other tool.
Ans: D
4. Protect from electric shock which device use ? (A) Hand Screen (B) Plain goggles (C) Leather hand gloves (D) Rubber hand gloves
Ans: D
5. To protect from the eyes from rays of arc should use _______. (A) Plain goggles (B) Hand screen (C) Leather hand gloves (D) Rubber hand gloves
Ans: B
6. Which provide on the point of scriber to prevent accident ? (A) Cork (B) Twined (C) Paper cover (D) Plastic cover
Ans: A
7. Where white wash use on the job ? (A) Smooth surface (B) Rough surface (C) Finished surface (D) Plane surface
Ans: B
8. Which tool use to scribe lines to indicate dimensions on the workpiece ? (A) Punch (B) Calliper (C) Scriber (D) Divider
Ans: C
9. State the tool use for scribing lines parallel to datum surface. (A) Surface gauge (B) Surface plate (C) Marking table (D) Hammer
Ans: A
10. Point angle of prick punch (A) 30 degree (B) 90 degree (C) 45 degree (D) 62 degree
Ans: A
11. How to specify dividers ? (A) Joint and length (B) Peen and joint (C) Peen and length (D) Joints and pointer
Ans: A
12. State the angle of Try square. (A) 60 degree (B) 35 degree (C) 55 degree (D) 90 degree
Ans: D
13. Least count of a matric outside micrometer is (A) 0.01 mm (B) 0.03 mm (C) 0.3 mm (D) 0.02 mm
Ans: A
14. Name the tool use to measure outside diameter of a pipe. (A) Inside calliper (B) Steel rule (C) Outside calliper (D) jenny calliper
Ans: C
15. The included angle of twist drill bit is ________ degree (A) 120 (B) 112 (C) 118 (D) 90
Ans: C
16. File guard are used for the removal of (A) Suspended matters from the file. (B) Suspended matters from the jaw. (C) Suspended matters from the tap. (D) Suspended matters from die.
Ans: A
17. Hand taps are used to form the thread on (A) Internal threads (B) External threads (C) Convex surface (D) Concave surface
Ans: A
18. Socket is also one of the device of their (A) tap holder (B) drill holder (C) die holder (D) pipe holder
Ans: B
19. External threads are cut by (A) tap (B) die (C) tong (D) drills
Ans: B
20. Mortise Chisel is a (A) Cutting tool (B) Marking tool (C) Measuring tool (D) Assembling tool
Ans: A
21. Which tool is use for extracting nails ? (A) Ball peen hammer (B) Claw hammer (C) Sledge hammer (D) Mallet
Ans: B
22. Length of cross-cut saw is varies from (A) 700 to 750 mm (B) 300 to 350 mm (C) 800 to 850 mm (D) 600 to 650 mm
Ans: D
23. Name the tool to measure the surface level of small area. (A) Spirit level (B) Plumbob (C) Try Square (D) Water level
Ans: A
24. G.I. Pipe socket are designated by (A) Its nominal bore (B) Its length (C) Nominal bore of pipe for which it is meant (D) Its weights
Ans: C
25. Lead pipe and copper pipe are cut easy with (A) Hack saw (B) Pipe cutter (C) Knife (D) Chain pipe cutter
Ans: B
26. P.V.C. pipes are manufactured by using (A) Rubber (B) Plastic (C) Nylon (D) Polyvinyl chloride
Ans: D
27. Position of eccentric reducers are
A) Vertical B) Horizontal
C) 45° D) 90°
Ans: B
28. Spun Pipe (Cast iron) are manufactured by using (A) Metal moulds (B) Sand moulds (C) Clay moulds (D) None rotating moulds
Ans: A
29. Pipe wrench is used for pipes of diameter (A) Less than 15 mm (B) 15 to 50 mm (C) 50 to 150 mm (D) More than 150 mm
Ans: B
30. Tee is used for (A) Branch of at 90 degree (B) Branch of 45 degree (C) To deviate 90 degree (D) To connect die pipe at 45 degree
Ans: A
31. Every pipe bender will have (A) Back former (B) Inner former (C) Bleed screw (D) Hydraulic raw
Ans: B
32. Mortar pan is used for (A) Mixing of concrete (B) Finish floor (C) Measuring cement (D) Carry excavated materials
Ans: D
33. Compressive strength of any individual brick (A) shall be more than 10%. (B) shall be less than 10%. (C) shall not be less than 80% of specified strength. (D) shall be more than 8% of specified strength.
Ans: C
34. Cement concrete is (A) Good in tension (B) Weak in compression (C) Good in compression (D) Equal in tension and compression
Ans: C
35. While hand mixing of cement concrete (A) Cement and coarse aggregate is fast mixed (B) Cement and sand are first mixed (C) Cement and water are first mixed (D) None of these
Ans: B
36. Which tool is used for earth excavation, mixing mortar and mixing concrete ? (A) Spade (B) Mortar pan (C) Plumbob (D) Plumb rule
Ans: A
37. What type of bond is used for constructing curve and footing of foundation ? (A) Stretcher bond (B) Header bond (C) English bond (D) Flemish bond
Ans: B
38. What is used to binding stones, bricks e.t.c. ? (A) Trowel (B) Mortar (C) Spade (D) Mortar pan
Ans: B
39. To check straightness of brick masonry and plaster ________ is used. (A) Straight edge (B) Trowel (C) Spade (D) Shovel
Ans: A
40. Water absorption percentage of good brick of its own weight is _______. (A) less than 20% (B) greater than 20% (C) 25% (D) not more than 20%
Ans: D
41. Solder is an alloy of (A) Lead and Tin (B) Lead and Copper (C) Lead and Brass (D) Lead and Antimony
Ans: A
42. What type of flux is used for soldering Copper sheet, Brass sheet and Tin plates ? (A) Hydrochloric acid (B) Zinc chloride (C) Ammonium chloride (D) Resin
Ans: B
43. In torch brazing heat is applied by (A) Oxy-acetylene flame (B) Electric ore (C) Spelter (D) Silver solder
Ans: A
44. Which gases are used for cutting of steel and heating purpose only ? (A) Oxy acetylene gas flame (B) Oxy hydrogen gas flame (C) Oxy liquid petroleum gas flame (D) Oxy coal gas flame
Ans: A
45. Melting point of lead is (A) 332 deg C (B) 350 deg C (C) 327 deg C (D) 370 deg C
Ans: C
46. Which tongs are used for holding round rods horizontally ? (A) Flat tong (B) Square mouth tong (C) Hollow tong (D) Round Tong
Ans: C
47. The head of soldering iron is made of (A) Iron (B) Forged copper (C) Brass (D) Zinc
Ans: B
48. Which nut are used light duty assembly which requires frequent removal and fixing ? (A) Hexagonal nuts (B) Square nuts (C) Wing nuts (D) Knurled nuts
Ans: C
49. Foot rests of man hotes are fixed at
A) 60 cm B) 50 cm
C) 40 cm D) 30 cm
Ans: C
50. The portion of the Brick cut across its length is
A) King closer B) Bull nose
C) Queen closer D) Bat
Ans: D
51. Poisonous marking media
A) Copper sulphate B) White wash
C) Cellulose lacquer D) Pressian blue
Ans: A
52. Steel rule is made out of
A) HCS B) HSS
C) SS D) CI
Ans: C
53. The angle between the top face of the cutting point and normal to the work surface at the cutting edge
A) Clearance angle B) Point angle
C) Angle of inclination D) Rake angle
Ans: D
54. Potable water pipe line colour code
A) Blue B) Red
C) Green D) Yellow
Ans: A
55. Syphonic action is prevented by
A) Single stack system B) Traps
C) Vent pipe D) Cowl
Ans: C
56. For scribing parallel to datum surface marking tool
A) Try square B) Surface gauge
C) Scriber D) Steel rule
Ans: B
57. Which type of chisel is used for separating metal after chain drilling ?
A) Flat B) Web
C) Cross-cut D) Half round nose
Ans: B
58. The test of taste and odour of water is
A) Osmoscope B) Thermometer
C) Turbidity rod D) Tintometer
Ans: A
59. Toilet paper holder fixing height
A) 250 mm B) 350 mm
C) 450 mm D) 550 mm
Ans: C
60. General carpentery work using chisel is
A) Bevel edge firmer B) Firmer
C) Paring D) Mortise
Ans: B
61. In mixing tap cold water connection is
A) Right side B) Left side
C) Both sides D) None of these
Ans: A
62. Ferrules are made out of
A) High carbon steel B) Bronze
C) Brass D) High speed steel
Ans: C
63. Wash basin waste fitting size is
A) 25 mm B) 32 mm
C) 40 mm D) 50 mm
Ans: B
64. Storage of water during rains for future use is known as
A) Rain water gutter B) Flooding
C) Rain water pipe D) Rain water harvesting
Ans: D
65. Very easiest welding position is
A) Down hand B) Horizontal
C) Vertical D) Over head
Ans: A
A) Copper sulphate B) White wash
C) Cellulose lacquer D) Pressian blue
Ans: A
52. Steel rule is made out of
A) HCS B) HSS
C) SS D) CI
Ans: C
53. The angle between the top face of the cutting point and normal to the work surface at the cutting edge
A) Clearance angle B) Point angle
C) Angle of inclination D) Rake angle
Ans: D
54. Potable water pipe line colour code
A) Blue B) Red
C) Green D) Yellow
Ans: A
55. Syphonic action is prevented by
A) Single stack system B) Traps
C) Vent pipe D) Cowl
Ans: C
56. For scribing parallel to datum surface marking tool
A) Try square B) Surface gauge
C) Scriber D) Steel rule
Ans: B
57. Which type of chisel is used for separating metal after chain drilling ?
A) Flat B) Web
C) Cross-cut D) Half round nose
Ans: B
58. The test of taste and odour of water is
A) Osmoscope B) Thermometer
C) Turbidity rod D) Tintometer
Ans: A
59. Toilet paper holder fixing height
A) 250 mm B) 350 mm
C) 450 mm D) 550 mm
Ans: C
60. General carpentery work using chisel is
A) Bevel edge firmer B) Firmer
C) Paring D) Mortise
Ans: B
61. In mixing tap cold water connection is
A) Right side B) Left side
C) Both sides D) None of these
Ans: A
62. Ferrules are made out of
A) High carbon steel B) Bronze
C) Brass D) High speed steel
Ans: C
63. Wash basin waste fitting size is
A) 25 mm B) 32 mm
C) 40 mm D) 50 mm
Ans: B
64. Storage of water during rains for future use is known as
A) Rain water gutter B) Flooding
C) Rain water pipe D) Rain water harvesting
Ans: D
65. Very easiest welding position is
A) Down hand B) Horizontal
C) Vertical D) Over head
Ans: A