HAL ME Mock Test - 1 for ESE & GATE ME Exams

Question 1

Select the most appropriate synonym of the given word.

DECREPIT

Question 2

Which city in India is known as the ‘Boston of East’ ?

Question 3

Select the related word/letters/ number from the given alternatives.
SGH : TIJ : : UKL : ?

Question 4

Which country has highest number of international tourism arrivals?

Question 5

Choose the Venn diagram from the given options that best represents the relationship amongst the following classes.
Mothers, Doctors, Homo Sapiens

Question 6

A cross flow type air heater has an area of 50 m². The overall heat transfer coefficient is 100 W/m² K and heat capacity of both hot and cold stream is 1000 W/ K. The value of NTU is

Question 7

Match the following products with preferred manufacturing processes:

Question 8

Given that the peripheral speed of the grinding wheel of 100 mm diameter for cylindrical grinding of a steel workpiece is 30 m/s, what will be the estimated rotational speed of the grinding wheel in revolution per minute (rpm)?

Question 9

The slope of isochoric process on T-s diagram will be_____.

Question 10

If 3000 kJ/kg heat is added to the system & work done on the system is 6000kJ/kg, then change in internal energy is given by

Question 11

While cooling, a cubical casting of side 40 mm undergoes 3%, 4% and 5% volume shrinkage during the liquid state, phase transition and solid state, respectively. The volume of metal compensated from the riser is

Question 12

Streamline and equipotential lines in a flow field __________.

Question 13

The pressure at any given point of a non-moving fluid is called the ____________

Question 14

The radiative heat transfer rate per unit area (W/m²) between two plane parallel gray surfaces whose emissivity is 0.9 and maintained at 400 K and 300K is _________.

Question 15

The process of reheating the martensitic steel to reduce its brittleness without any significant loss in its hardness is

Question 16

The effect of friction in a nozzle......dryness fraction of steam

Question 17

The inlet temperature of a counter flow heat exchanger for hot and cold fluid is 170

and 30

. The ratio of capacity rate for hot and cold fluid is 1. Find the LMTD (degree celcius) of the heat exchanger. Take effectiveness ε=0.7

Question 18

The time taken to drill a hole through a 25 mm thick plate with the drill rotating at 300 rpm and moving at a feed rate of 0.25 mm/revolution is

Question 19

The machined work-piece is free of residual mechanical stresses in which of the following non-conventional machining processes?

Question 20

If the length of the cantilever beam is halved, the natural frequency of the mass M at the end of this cantilever beam of negligible mass is increased by a factor of