77) The example of lower pair is

Shaft revolving in a bearing

Straight line motion mechanisms

Automobile steering gear

All of the above

Answer is:

Straight line motion mechanisms

RRB ALP Mechanical Question Paper 2010 Set-1 with Answer Key

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78) Which is true statement among the following?

Main function of the detector is to suppress the image signal

Noise is very low in crystal detector

Super -regenerative is less sensitive

Diode detector is more sensitive

Answer is:

Diode detector is more sensitive

79) The first governor General of India under East India Company was

Cornwallis

Wellesley

Warren Hastings

Sir John Shore

Answer is:

Warren Hastings

80) In connection with oscillator, which is FALSE statement?

Oscillator converts d.c. into a.c.

Oscillator is that amplifier which provides its own input

All types of oscillator produce sine wave

In phase, feedback used in oscillator is also called positive feedback.

Answer is:

3) All types of oscillator produce sine wave

81) The index of compression n tends to reach ratio of specific heats, when

flow is uniform and steady

process is isentropic

process is isothermal

process is isentropic and specific heat does not change with temperature

Answer is:

process is isentropic

RRB ALP Mechanical Question Paper 2010 Set-1 with Answer Key

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77) The example of lower pair is

Straight line motion mechanisms

RRB ALP Mechanical Question Paper 2010 Set-1 with Answer Key

Related RRB ALP Mechanical Question Paper 2010 Set-1 with Answer Key

78) Which is true statement among the following?

Diode detector is more sensitive

79) The first governor General of India under East India Company was

Warren Hastings

80) In connection with oscillator, which is FALSE statement?

3) All types of oscillator produce sine wave

81) The index of compression n tends to reach ratio of specific heats, when

process is isentropic

RRB ALP Mechanical Question Paper 2010 Set-1 with Answer Key