26. In compound wound starting motors the field coil is:
(a) Connected parallel with the armature
(b) Both series and parallel with the armature
(c) Connected in series with the armature
(d) None of the above
27. The spark plug gap is in the range of:
(a) 2 - 3 mm
(b) 0.6 to 1 cm
(c) 0.5 to 1.5 cm
(d) 0.6 to 1 mm
28. the centrifugal force on the pressure plate of semi centrifugal clutch can be adjusted by:
(a) adjusting screw on lever
(b) adjusting nut on the pressure plate
(c) pivoted ring
(d) adjusting spring force
29. the type of gear wheels used in sliding mesh gear box is:
(a) helical gear
(b) double he helical gear
(c) spur gear
(d) spiral gear
30. The tool which is used to remove gear, bearing, wheels and pulleys from their attaching components are:
(a) Screw driver
(b) Monkey plier
(c) Pullers
(d) Hammer
31. In Semi floating type rear axle, the bearing is located:
(a) On the axle and inside axle casing
(b) On the axle casing and inside the hub
(c) On the axle and inside the hub
(c) None of the above
32. Which of the following is a finishing operation of machined components?
(a) Broaching
(b) Cyaniding
(c) Vulkanisation
(d) Honing
33. The type of jack with diamond shaped frame haing a nut on one side and a sleeve on other side:
(a) Tripod
(b) Trolley type
(c) Scissor type
(d) Bottle type
34. Which of the following is not a test conducting for injectors?
(a) Vacuum test
(b) Spray test
(c) Pressure test
(d) Leakage test
35. The advantage tandem master cylinder is that:
(a) It never fails
(b) Vehicle does not skid
(c) Can provide individual fluid lines for all axle
(d) 100% braking efficiency
36. The part of hydraulic brake system which actuates brake shoes directly
(a) Master cylinder
(b) Push rod
(c) Wheel cylinder
(d) Brake pedal
37. The brake pads of disc brakes are returned by:
(a) Retractor spring
(b) Rubber seal ring
(c) Shoe return spring
(d) Caliper
38. what operation has to be done on the ends of brake pipe to prevent leakage?
(a) Purging
(b) Reaming
(c) Counter sinking
(d) Flaring
39. The volatile liquid that filled in belows type thermostat is:
(a) ethylene glycol
(b) freon
(c) acetone
(d) glycerene
40. In tubular type radiator cores:
(a) Air flows through tubes and coolent passes around
(b) Coolent passes through tube and air passes around
(c) Air and coolent passes through tubes
(d) Air and coolent passes around tubes
41. Which of the following is not an effect of providing cooling fins around engine cylinder?
(a) Increase heat transfer area
(b) Decrease heat transfer rate
(c) Increase cooling efficiency
(d) None of the above
42. The boiling point of water at normal atmospheric pressure is:
(a) 212°F
(b) 273°K
(c) 100°F
(d) 100°K
43. Most of the coolant pumps used in automobiles are of:
(a) Gear type
(b) Vane type
(c) Reciprocating type
(d) Impeller type
44. The commonly used firing order for six cylinder in line engine is:
(a) 1-5-3-6-2-4
(b) 1-4-3-6-5-2
(c) 1-6-3-2-5-4
(d) 1-5-2-6-3-4
45. What material is plating on bore of aluminium alloy cylinder blocks to obtain a wear resistant surface?
(a) Chromium
(b) Sulpher
(c) Silicon
(d) Alumina
46. What is the advantage of alluminium piston over cast iron piston of same size?
(a) Higher brittleness
(b) less thermal conductivity
(c) lighter in weight
(d) all of the above
47. What is the purpose of providing vertical slot or T-slots on piston?
(a) for the seating of compression ring
(b) for the seating of oil ring
(c) for lubrication
(d) restrict the change in diameter during thermal expansion
48. The volume of cylinder when piston at TDC is called:
(a) swept volume
(b) clearence volume
(c) engine displacement
(d) piston clearence
49. The nuts and bolts are usually made of:
(a) Cast Iron
(b) Mild steel
(c) Chromium Steel
(d) None of the above
50. The instrument which is used to measure current voltage and resistance:
(a) Odometer
(b) Tachometer
(c) Multimeter
(d) Galvanometer
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