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GATE 2022 Rapid Revision Quiz 13
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Question 1
A fan rotates at a constant speed of 60 rpm. The total angular displacement it makes in 10 sec is:
Question 2
Perpetual motion machine of second kind violates the
Question 3
Side cutting edge angle for the tool signature of 0 – 10 – 8 – 9 – 15 – 75 – 0 in ORS
Question 4
A 3-stage reciprocating compressor has suction pressure of 1 bar delivery pressure of 27 bar. For minimum work of compression, the delivery pressure of 1st stage is
Question 5
Match List I with List II and select the correct answer using the codes given below the lists.
List-I
A) Dynamic viscosity
B) Moment of Momentum
C) Power
D) Volume modules elasticity
List-II
1) [ML2T3]
2) [ML-1T-2]
3) [ML-1T-1]
4) [ML2T-2]
5) [ML2T-1]
Question 6
Minimum number of teeth to avoid interference is for a pressure angle of
Question 7
The bar of a boring machine is 45 mm in diameter. During operation, the bar may be twisted through 0.01 radians and subjected to a shear stress of 45 MPa. What is the required length of the bar?
Question 8
With increase in temperature, thermal conductivity of air _________.
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