Car Repairman Questions And Answers

41⟩ The range of gear ratios in a vehicle depends on a. The ratio of engine h.p to laden weight of vehicle b. Max. engine torque / wt. of vehicle c. Only on the laden weight of vehicle d. The power to weight ratio of engine

b. Max. engine torque / wt. of vehicle

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42⟩ The two-stroke engine has valve ports in the a. Pistons b. Cylinder walls c. Piston rings

b. Cylinder walls

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43⟩ Explain a time when you made a mistake while repairing a vehicle. How did you handle it?

Shows accountability.

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44⟩ Tell us during The Drive Torque, What Will Be The Weight Shift?

In case of cars the torque is applied to the rear wheels, thus limiting accelerator due to front wheel drive due to weight transfer. This drive is bolted to the chassis of the car. Modern manufacturers therefore design rear wheel drive to have similar handling to front wheel drive wherever possible via suspension tuning.

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45⟩ Tell us why The Plastic Materials Used In The Screwdriver's Handles?

Due to non-conducting nature of plastic, it is widely used for the electricity purposes. Moreover, plastic is cheap and strong so it is less prone to damage. Furthermore, plastic does not bend and does not slips from the users hands.

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46⟩ Tell us what Is The Use Of Natural Gas In Automobiles?

High octane number makes it very good S.I engine fuel

Low engine emissions. Less aldehydes than with methanol

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47⟩ In general the design of the current regulator is such that its main actuating winding carries full a. Generator voltage b. Generator output c. Field current d. Battery voltage

b. Generator output

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48⟩ Tell us how do you approach difficult situations with customers and co-workers?

Demonstrates ability to handle stress.

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49⟩ During compression stroke the air is compressed according to a. Isothermal process b. Hyperbolic process c. Adiabatic process d. Constant pressure process

c. Adiabatic process

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50⟩ For diesel engines the nominal compression ratio is from a. 17 to 211 b. 7.5 to 8.51 c. 30 to 401 d. 1 to 51

a. 17 to 21:1

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51⟩ The duration of the fuel injection at full load in a diesel engine running at 1800 rpm when it has 200 of crank travel is a. 1/600 sec b. 1/640 sec c. 1/540 sec d. 1/530 sec

c. 1/540 sec

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52⟩ Why do you want to work for our garage as Car Repairman?

The interviewer wants to know that you're not just interested in any place that will hire you. They want to know that you want to work for them, specifically. Before the interview, learn as much as you can about their garage. You can search customer reviews to learn about their reputation. An auto repair shop with good reviews reflects their values as well. Think about the places you have worked. What did you like most about them? If you can't find much online or through asking around beforehand, try to list at least three things you have read that you like about their garage. Prepare questions for any remaining areas that are unclear, but focus on values and qualities, such as work environment, employee training, and customer care.

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53⟩ Do you know what Is The Size Of The Recommended Compressor Cfm? Where It Can Be Used?

It is generally used in spray painting of very small areas. It can be used where painting with brush is very difficult. thus to improve the rate of painting the spray painting is used as this method is very fast and efficient. Usually reciprocating compressors are used but size depends on requirements.

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54⟩ Tell us what Are Mpfi And Tpfc Systems?

MPFI stands for Multi Point Fuel Injection. In this system fuel is injected into the intake ports which is situated just upstream of each cylinder’s intake valve. These systems are sequential systems, in which injection is timed to coincide with intake stroke of each cylinder.

TPFC stands for transient power fuel control system. In this type of systems constant choke carburetor is used. The salient feature of this carburetor is that it provides jerk less engine raise. In these systems, throttle valve creates vacuum which opens the slide which controls the air fuel ratio through a tapered jet.

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55⟩ The temperature of the piston will be more at a. The piston walls b. The crown of the piston c. The skirt of the piston d. The piston pin

b. The crown of the piston

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56⟩ As the number of cylinders in multi cylinder engines increases the power to weight ratio ……… a. Remains the same b. Increases c. Becomes zero d. Decreases

b. Increases

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57⟩ If compression ratio is increased a. Thermal efficiency will be increased b. Volumetric efficiency will be increased c. Air standard efficiency will be decreased d. Air standard efficiency will be increased

d. Air standard efficiency will be increased

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58⟩ The characteristic of an object which makes it resist any tendency to change its direction of motion is called a. Inertia b. Power c. Internal energy

a. Inertia

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59⟩ The crankcase scavenging the the crankcase or underside of the piston acts as a. An air compressor b. A blower c. A ventilator d. A breather

a. An air compressor

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60⟩ The compression pressure in diesel engine is around a. 30 Kg/cm2 b. 10 Kg/cm2 c. 20 Kg/cm2 d. 40 Kg/cm2

a. 30 Kg/cm2

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Home Technical Car Repairman

86 Car Repairman Questions And Answers

41⟩ The range of gear ratios in a vehicle depends on a. The ratio of engine h.p to laden weight of vehicle b. Max. engine torque / wt. of vehicle c. Only on the laden weight of vehicle d. The power to weight ratio of engine

42⟩ The two-stroke engine has valve ports in the a. Pistons b. Cylinder walls c. Piston rings

43⟩ Explain a time when you made a mistake while repairing a vehicle. How did you handle it?

44⟩ Tell us during The Drive Torque, What Will Be The Weight Shift?

45⟩ Tell us why The Plastic Materials Used In The Screwdriver's Handles?

46⟩ Tell us what Is The Use Of Natural Gas In Automobiles?

47⟩ In general the design of the current regulator is such that its main actuating winding carries full a. Generator voltage b. Generator output c. Field current d. Battery voltage

48⟩ Tell us how do you approach difficult situations with customers and co-workers?

49⟩ During compression stroke the air is compressed according to a. Isothermal process b. Hyperbolic process c. Adiabatic process d. Constant pressure process

50⟩ For diesel engines the nominal compression ratio is from a. 17 to 211 b. 7.5 to 8.51 c. 30 to 401 d. 1 to 51

51⟩ The duration of the fuel injection at full load in a diesel engine running at 1800 rpm when it has 200 of crank travel is a. 1/600 sec b. 1/640 sec c. 1/540 sec d. 1/530 sec

52⟩ Why do you want to work for our garage as Car Repairman?

53⟩ Do you know what Is The Size Of The Recommended Compressor Cfm? Where It Can Be Used?

54⟩ Tell us what Are Mpfi And Tpfc Systems?

55⟩ The temperature of the piston will be more at a. The piston walls b. The crown of the piston c. The skirt of the piston d. The piston pin

56⟩ As the number of cylinders in multi cylinder engines increases the power to weight ratio ……… a. Remains the same b. Increases c. Becomes zero d. Decreases

57⟩ If compression ratio is increased a. Thermal efficiency will be increased b. Volumetric efficiency will be increased c. Air standard efficiency will be decreased d. Air standard efficiency will be increased

58⟩ The characteristic of an object which makes it resist any tendency to change its direction of motion is called a. Inertia b. Power c. Internal energy

59⟩ The crankcase scavenging the the crankcase or underside of the piston acts as a. An air compressor b. A blower c. A ventilator d. A breather

60⟩ The compression pressure in diesel engine is around a. 30 Kg/cm2 b. 10 Kg/cm2 c. 20 Kg/cm2 d. 40 Kg/cm2

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Home Technical Car Repairman

86 Car Repairman Questions And Answers

41⟩ The range of gear ratios in a vehicle depends on a. The ratio of engine h.p to laden weight of vehicle b. Max. engine torque / wt. of vehicle c. Only on the laden weight of vehicle d. The power to weight ratio of engine

42⟩ The two-stroke engine has valve ports in the a. Pistons b. Cylinder walls c. Piston rings

43⟩ Explain a time when you made a mistake while repairing a vehicle. How did you handle it?

44⟩ Tell us during The Drive Torque, What Will Be The Weight Shift?

45⟩ Tell us why The Plastic Materials Used In The Screwdriver's Handles?

46⟩ Tell us what Is The Use Of Natural Gas In Automobiles?

47⟩ In general the design of the current regulator is such that its main actuating winding carries full a. Generator voltage b. Generator output c. Field current d. Battery voltage

48⟩ Tell us how do you approach difficult situations with customers and co-workers?

49⟩ During compression stroke the air is compressed according to a. Isothermal process b. Hyperbolic process c. Adiabatic process d. Constant pressure process

50⟩ For diesel engines the nominal compression ratio is from a. 17 to 211 b. 7.5 to 8.51 c. 30 to 401 d. 1 to 51

51⟩ The duration of the fuel injection at full load in a diesel engine running at 1800 rpm when it has 200 of crank travel is a. 1/600 sec b. 1/640 sec c. 1/540 sec d. 1/530 sec

52⟩ Why do you want to work for our garage as Car Repairman?

53⟩ Do you know what Is The Size Of The Recommended Compressor Cfm? Where It Can Be Used?

54⟩ Tell us what Are Mpfi And Tpfc Systems?

55⟩ The temperature of the piston will be more at a. The piston walls b. The crown of the piston c. The skirt of the piston d. The piston pin

56⟩ As the number of cylinders in multi cylinder engines increases the power to weight ratio ……… a. Remains the same b. Increases c. Becomes zero d. Decreases

57⟩ If compression ratio is increased a. Thermal efficiency will be increased b. Volumetric efficiency will be increased c. Air standard efficiency will be decreased d. Air standard efficiency will be increased

58⟩ The characteristic of an object which makes it resist any tendency to change its direction of motion is called a. Inertia b. Power c. Internal energy

59⟩ The crankcase scavenging the the crankcase or underside of the piston acts as a. An air compressor b. A blower c. A ventilator d. A breather

60⟩ The compression pressure in diesel engine is around a. 30 Kg/cm2 b. 10 Kg/cm2 c. 20 Kg/cm2 d. 40 Kg/cm2

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