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# ESE 2022 ME - Technical Quiz 38

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Question 1

While using boundary layer equations, Bernoulli's equation

Question 2

In engine produces 10 kW brake power while working with a brake thermal efficiency of 30%. If the calorific value of the fuel used is 40,000 kJ/kg, then what is the fuel consumption?

Question 3

If the extrusion ratio is 20, the percentage reduction in the cross-sectional area of the billet after the extrusion will be.

Question 4

If at a point in a body MPa, MPa and MPa, then the radius of Mohr’s circle is equal to.

Question 5

Match List-| with List-|| and select the correct answer using the code given below the lists:
List-|
A) Critical point
B) Sublimation
C) Triple point
D) Melting
List-||
1) All the three phase solid, liquid and vapour co-exists in equilibrium.
2) Phase change from solid to liquid
3) properties of saturated liquid and saturated vapour are identical
4) Heating process where solid gets directly transformed to gaseous phase.

Question 6

In a simple impulse turbine the nozzle angle at the entrance is 30o. For maximum diagram efficiency. The blade-speed ratio is
(Note : )

Question 7

The critical speed of shaft depends on

Question 8

Two radiating surfaces A1 = 6 m2 and A2 = 4 m2 have the shape factor F1-2 = 0.1 Then the value of F2-1 will be

Question 9

Match List-I with List-II select the correct answer using the code given below the lists:
List-I
A). Worm gear
B). Spur gear
C). Herringbone gear
D). Spiral bevel gear
List-II
1). Impose no thrust load on the shaft
2). To transmit power between two non-intersecting shafts which are perpendicular to each other
3). To transmit power when the shafts are parallel
4). To transmit power when the shafts are at right angle to one another

Question 10

Match List-I with List-II and select the correct answer using the code given below the Lists:
List-I
A) Rotameter
B) Venturi-meter
C) Orifice-meter
D) Flow nozzle
List-II
1) Vena contracta
2) Tapering tube
3) Convergent divergent
4) Bell mouth entry
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