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ESE 2022 ME - Technical Quiz 5

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Question 1

Probabilistic time for a production activity can be found using

Question 2

When at a point two solid phase changes to one solid phase on cooling then it is known as _________.

Question 3

A dimension is stated as 25 ± 0.02mm in a drawing. What is the tolerance in mm?

Question 4

In case of dynamic analysis of single slider crank chain working in the horizontal direction, the correct expression for Piston effort is given by

Question 5

Rankine’s theory is applicable to ____?

Question 6

When can a piezometer be not used for pressure measurement in pipes?

Question 7

The radiative heat transfer rate per unit area (W/m2) between two plane parallel grey surfaces (emissivity = 0.9) maintained at 400 K and 300 K is (Stefan Bottzman constant = 5.67 x 10-8 W/m2 K4)

Question 8

A jet propulsion unit, with turbojet Engine, having forward speed of 1000 km/hr, produces 20 kN of Thrust and uses 50 kg of air per sec .Find the exit jet velocity ?

Question 9

Two systems have the same wet bulb temperature at 20 °C. System “A” has Dry bulb temperature of 25 °C since it has a relative humidity of 65%. System “B” has a relative humidity of 30%. What will be its dry bulb temperature?

Question 10

Maximum efficiency is obtained in centrifugal pumps when the blades are _________.
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