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# SSC-JE ME || Technical Quiz 3

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Question 1

Rankine’s theory is valid to______.

Question 2

The value of coefficient of discharge for a venturi meter usually lies between:

Question 3

In a two-fluid heat exchanger, the inlet and outlet temperature of the hot fluid are 65°C and 40°Crespectively. For the cold fluid, these are 15°C and 42°C. The heat exchanger is a:

Question 4

The specific heat at constant pressure is given by:

Question 5

In ultrasonic machining, the material removal rate changes with abrasive size as

Question 6

Specific speed (N) of propeller turbine is

Question 7

Damping force is proportional to

Question 8

Change in internal energy of small temperature change T for ideal gas is expressed by the relation (for unit mass)

Question 9

In thin cylinder the hoop stress is 200 MPa then the maximum shear stress ( in plane) is equal to

Question 10

In Inventory Control Theory, the economic order quantity is

Question 11

The thickness of laminar boundary layer at a distance ‘X’ from the leading edge over a flat varies as

Question 12

For a small scale industry, the fixed cost per month is Rs. 5000. The variable cost per product is Rs. 20 and sales price is Rs. 30 per piece. The break even production per month will be ________.

Question 13

Preheating is essential in welding _________.

Question 14

The axial rigidity of the member is

Question 15

What is the sensitivity of inclined U-tube compared to sensitivity of U-tube?

Question 16

There is a two-stage compressor with ideal intercooling. The intermediate pressure (P2) in terms of condenser pressure (P1) and evaporator pressure (P3) for the minimum work is

Question 17

In the case of an involute toothed gear; involute starts from

Question 18

The time constant of a thermocouple is ________.

Question 19

Which one is true for an opaque body?

Question 20

The total number of instantaneous centers for a mechanism consisting of ‘n’ links is
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