1. In industry of developed nations the type of production most often occuring is

a) Mass production

b)  Batch production

c)  Single lot production

d)  Create lot production

a)  mild steel

b)  cast iron

c)  stainless steel

d)  aluminium

2. Kerosene is used as coolant, while machining

a) carbon monoxide

b)  ammonia

c)  sulphur dioxide

d)  carbon dioxide

2. Which one of the following is not used as a refrigerant?

a) Locomotive boiler

b)  Lancashire boiler

c)  Babcock-Wilcox boiler

d)  Cochran boiler

2. An example of a water tube boiler is a

a) Nozzles

b)  moving blades

c)  fixed blades

d)  casing

2. In an impulse turbine the velocity of steam remains constant in the

a) jet pump

b)  reciprocating pump

c)  gear pump

d)  axial flow pump

2.  One of the following type of pumps is used in a diesel engine

a) Brake power / Indicated power

b)  Indicated power / Mechanical efficiency

c)  Brake thermal efficiency / Mechanical efficiency

d)  Brake power / Mechanical efficiency

2.  Indicated thermal efficiency of an engine is 

a)  worm and worm wheel

b)  spur gearing

c)  helical gearing

d)  bevel gearing

2. For transmitting power between two shafts which are at right angles but non-intersecting, the gearing used is 

a) linear motion of rotary motion

b)  rotary motion to rotary motion

c)  linear to linear motion

d)  rotary to linear motion

2. Rack and pinion arrangement is used for

a) power to weight ratio is high

b)  thermal efficiency is high

c)  lube oil consumption is less

d)  noise is less

2. Two stroke IC engines are commonly used in 2 wheelers because the

a)  1 to 3 %

b)  0.5 to 1 %

c)  0.8 to 2 %

d)  2 to 4 %

2. High carbon steel has a carbon content of 

a) cast iron

b)  cast steel

c)  mild steel

d)  glass

2. During tensile testing on a specimen cup and cone formation is observed with

a) sensible heat

b)  latent heat

c)  super heat

d)  specific heat

2. When water at atmospheric pressure is heated from 40 deg to 80 deg, the heat absorbed is 

a) heat rejected only

b)  heat absorbed only

c)  heat absorbed and rejected

d)  work done

2. The area under pressure volume curve of any thermodynamic process represents

a)  3:1

b)  5:1

c)  15:1

d)  30:1

2. In a petrol engine the theoretical ratio of air to fuel is approximately 

a) Reaming

b)  counter sinking

c)  counter boring

d)  spot facing

2. The operation of finishing a drilled hole to the correct size is known

a)  increase power transmission

b)  decrease power transmission

c)  doubles the power transmission

d)  does not affect the power transmission in any way

2. The centrifugal tension in belts

a) function of pressure only

b)  function of volume only

c)  function of temperature only

d)  function of pressure and volume

2. The internal energy of a gas is a 

a) Arc welding using AC current

b)  Arc welding using DC current

c)  Gas Welding

d)  MIG welding

2. Welding defect called Arc blow occurs in

a) Bottom only

b)  Both side and bottom

c)  Top and bottom

d)  Sides only

2. In V-belts the contact between the pulley and the belt is at the

a) Reciprocating type

b)  Centrifugal type

c)  Axial flow type

d)  Sliding value type

2. For gas turbines, the compressors used are

1. It increases cooling effect of cycle

2.  It makes possible, to remove heat from refrigerant at atmospheric pressure

3.  It increases the coefficient of performance of the system

4.  It removes thermal properties of refrigerant

2. In vapour compression refrigeration system, compressor is used because

a) Angle gauge

b)  Vernier calliper

c)  Slip gauge

d)  Micrometer

2. A sine bar cannot be used without 

a) below their recrystalization temperature

b)  below room temperature

c)  below their melting point

d)  below 200 degree celcius

2. During cold working, metals are worked

a) mean speed variation

b)  cyclic speed variation

c)  load fluctuations

d)  exhaust gas temperature

2. A governer in an IC engine controls the

a) Brayton cycle

b)  Bell Coleman cycle

c)  Carnot cycle

d)  Sterling cycle

2. Air refrigeration cycle works on the

a)  torque

b)  shear forces

c)  tensile forces

d)  bending forces

2. A cotter joint is generally used to transmit

a) Triangle

b)  parabola

c)  semicircle

d)  rectangle

2. A simply supported beam has a uniformly distributed load on it, the bending moment diagram is

a) gear pump

b)  bucket pump

c)  double acting piston pump

d)  centrifugal pump

2. The pump with a low initial cost and low maintenance cost is

a) mm per revolution

b)  mm per degree

c)  mm

d)  rpm

2. Feed in a lathe is expressed in

ANSWERS

1. In industry of developed nations the type of production most often occuring is

b) Batch production

b) cast iron

2. Kerosene is used as coolant, while machining

a) carbon monoxide

2. Which one of the following is not used as a refrigerant?

 c) Babcock-Wilcox boiler

2. An example of a water tube boiler is a

b) moving blades

2. In an impulse turbine the velocity of steam remains constant in the

b) reciprocating pump

2.  One of the following type of pumps is used in a diesel engine

C)  Brake thermal efficiency/Mechanical efficiency

2.  Indicated thermal efficiency of an engine is 

d) bevel gearing

2. For transmitting power between two shafts which are at right angles but non-intersecting, the gearing used is 

d) rotary to linear motion

2. Rack and pinion arrangement is used for

a) power to weight ratio is high

2. Two stroke IC engines are commonly used in 2 wheelers because the

c)  0.8 to 2 %

2. High carbon steel has a carbon content of 

c) mild steel

2. During tensile testing on a specimen cup and cone formation is observed with

a) sensible heat

2. When water at atmospheric pressure is heated from 40 deg to 80 deg, the heat absorbed is 

c)  heat absorbed and rejected

2. The area under pressure volume curve of any thermodynamic process represents

b)  5:1

2. In a petrol engine the theoretical ratio of air to fuel is approximately 

a) Reaming

2. The operation of finishing a drilled hole to the correct size is known

b) decrease power transmission

2. The centrifugal tension in belts

c) function of temperature only

2. The internal energy of a gas is a 

d) MIG welding

2. Welding defect called Arc blow occurs in

a) Bottom only

2. In V-belts the contact between the pulley and the belt is at the

a) Reciprocating type

2. For gas turbines, the compressors used are

d)  It removes thermal properties of refrigerant

2. In vapour compression refrigeration system, compressor is used because

a) Angle gauge

2. A sine bar cannot be used without 

a) below their recrystalization temperature

2. During cold working, metals are worked

C)  load fluctuations

2. A governer in an IC engine controls the

b) Bell Coleman cycle

2. Air refrigeration cycle works on the

b) shear forces

2. A cotter joint is generally used to transmit

b) parabola

2. A simply supported beam has a uniformly distributed load on it, the bending moment diagram is

d) centrifugal pump

2. The pump with a low initial cost and low maintenance cost is

a) mm per revolution

2. Feed in a lathe is expressed in