ESE 2021 ME || Full Revision Mock Test-1 for ESE & GATE ME Exams

Question 1

The speed of an engine varies from ω₁ to ω_2.(ω₁ >ω₂) Ifω₁ = 210 rad/s & change in kinetic energy during cycle is 650 Nm. then find ω₂if inertia of the flywheel is 0.2 kg-m².

Question 2

What are the key functions of a master schedule?
1). To generate material and capacity requirements
2). To maintain valid priorities
3). An effective capacity utilization
4).Planning the quantity and timing of output over the intermediate time horizons
Select the correct answer using the codes given below:

Question 3

If the speed of the engine varies between 80 rpm and 100 rpm in a cycle of operation, then the coefficient of fluctuation of speed will be

Question 4

Which one of the following is correct, when a nut is tightened by placing a washer below it, the bolt will be subjected to _________.

Question 5

For giving desired shapes to the products, which of the following process is NOT used in a smithy shop?

Question 6

The deformation of a bar under its own weight as compared to that when subjected to a direct axial load equal to its own weight will be

Question 7

A nail of mass 0.015 kg is driven into a fixed wooden block, Its initial speed is 25 m/s and it is brought to rest in 6 milliseconds. find the value of the force

Question 8

According to Lami’s theorem:

Question 9

Die casting is good because it has

Question 10

The temperature strain is a function of
1) Coefficient of linear expansion
2) Temperature rise
3) Modulus of elasticity

Question 11

A steady incompressible flow field is given by

The convective acceleration along x-direction at point (1, 2) is

Question 12

In a vapour compression refrigeration cycle for making ice, the condensing temperature for higher COP

Question 13

The component of torque converter that allows torque multiplication is

Question 14

The tendency of petrol to detonate in terms of octane number is determined by comparison of fuel with which of the following?

Question 15

Choose the correct relationship between COP of refrigerator and Heat Pump.

Question 16

Which of the following statement is false?

Question 17

Two walls of same thickness and cross-sectional area have thermal conductivities in the ratio 1 : 2. If the same temperature difference difference is maintained across the two faces of both the walls, what is the ratio of heat flow

?

Question 18

Gibbs free energy (G) is given by____.

Question 19

What is an azeotrope?

Question 20

Match List-I (Prime mover) with List-II (Air standard cycles) and select the correct answer using the code given below the lists:
List-i
A). High speed diesel engine
B). IC engine having expansion ratio greater than compression ratio
C). Pulse jet engine
D). Gas turbine with multi-stage compression and multi-stage expansion
List-ii
1). Atkinson cycle
2). Dual combustion (limited pressure) cycle
3). Ericsson cycle
4). Lenoir cycle