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Machine Design QUESTIONS AND ANSWERS

Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part5 : 21 to 25

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.Belt slip may occur due to

heavy load

loose belt

driving pulley too small

all of the above

none of the above.

22.In cross or regular lay ropes

direction of twist of wires in strands is opposite to the direction of twist of strands

direction of twist of wires and strands are same

wires in two adjacent strands are twisted in opposite direction

wires are not twisted

none of the above.

23.Basic shaft is one

whose upper deviation is zero

whose lower deviation is zero

whose lower as well as upper deviations are zero

does not exist

none of the above.

24.If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by

ZN/p

p/ZN

Z/pN

N/Zp

Zp/N.

More Machine Design QUESTIONS AND ANSWERS available in next pages