# For a four-bar linkage in toggle position, the value of mechanical advantage is:

1.  0.0

2.  0.5

3.  1.0

4.  ∞

4

Explanation :
No Explanation available for this question

# The number of inversions for a slider crank mechanism is:

1.  6

2.  5

3.  4

4.    3

4

4

Explanation :
No Explanation available for this question

# A horizontal shaft centrifugal pump lifts ware at 65°C. The suction nozzle is one meter below pump centerline. The pressure at this point equal 200 kPa gauge and velocity is 3 m/s. Steam tables show saturation pressure at 65°C is 25 kPa,

1.  24

2.   26

3.  28

4.  30

4

26

Explanation :
No Explanation available for this question

# For a Newtonian fluid

1.  shear stress is proportional to shear strain

2.  rate of shear stress is proportional to shear strain

3.  shear stress is proportional to rate of shear strain

4.    rate of shear stress is proportional to rate of shear strain

4

shear stress is proportional to rate of shear strain

Explanation :
No Explanation available for this question

# Dew point temperature is the temperature at which condensation begins when the air is cooled at constant.

1.  volume

2.  entropy

3.   pressure

4.    enthalpy

4

pressure

Explanation :
No Explanation available for this question

# Given below is an extract from steam tables. Temperature (°C) P(sat)   (bar) Specific volume (nf / kg) Enthalpy (kJ/kg) Saturated liquid Saturated vapour Saturated liquid Saturated vapour 45 0.09593 0.001010 15.26 188.45 2394.8 342.24 150 0.001658 0.010337 1610.5 2610.5 Specific enthalpy of water in kJ/kg at 150 bar and 45 °C is

1.  203.60

2.  200.53

3.  196.38

4.  188.45

4

203.60

Explanation :
No Explanation available for this question

# Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: Condenser is an essential equipment in a steam power pant. Reason [r]: For the same mass flow rate and the same pressure rise, a water pump requires substantially less power than a steam compressor.

1.  Both [a] and [r] are true and [r] is the correct reason for [a].

2.   Both [a] and [r] are true but [r] is NOT the correct reason for [a].

3.  [a] is true but [r] is false

4.  [a] is false and [r] is true.

4

Both [a] and [r] are true but [r] is NOT the correct reason for [a].

Explanation :
No Explanation available for this question

# In a Pelton wheel, the bucket peripheral speed is 10 m/s, the water jet velocity is 25 m/s and volumetric flow rate of the jet is 0.1 m3 / s. If the jet deflection angle is 120° and the flow is ideal, the owe developed is:

1.  7.5 kW

2.  15.0 kW

3.  22.5 kW

4.    37.5 kW

4

15.0 kW

Explanation :
No Explanation available for this question

# An expendable pattern is used in

1.  slush casting

2.  squeeze casting

3.  centrifugal casting

4.  investment casting

4

investment casting

Explanation :
No Explanation available for this question

# The main purpose of spheroidising treatment is to improve

1.  hardenability of low carbon steels

2.  machinability of low carbon steels

3.  hardenability of high carbon steels

4.  machinability of high carbon steels

4