Mechanical Engineering Gate 2019 Set-1 Questions

John Thomas, an ________writer, passed away in 2018.

a) prominent
b) dominant
c) imminent
d) eminent

________I permitted him to leave, I wouldn’t have had any problem with him being absent, ________I ?

a) Had, wouldn’t
b) Have, would
c) Have, wouldn’t
d) Had, would

A worker noticed that the hour hand on the factory clock had moved 225 degrees during her stay at the factory. For how long does she stay in the factory?

a) 8.5 hours
b) 7.5 hours
c) 3.75 hours
d) 4 hours and 15 minutes

The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is _______.

a) 2
b) 6
c) 3
d) 4

The minister avoided any mention of the issue of women’s reservation in the private sector. He was accused of _________ the issue.

a) tying
b) collaring
c) skirting
d) belting

M and N had four children P, Q, R and S. Of them, only P and R were married. They had children X and Y respectively. If Y is a legitimate child of W, which one of the following statements is necessarily FALSE?

a) W is the wife of R
b) R is the father of Y
c) M is the grandmother of Y
d) W is the wife of P

Congo was named by Europeans. Congo’s dictator Mobuto later changed the name of the country and the river to Zaire with the objective of Africanising names of persons and spaces. However, the name Zaire was a Portuguese alternation of Nzadi o Nzere, a local African term meaning ‘River that swallows Rivers’. Zaire was the Portuguese name for the Congo river in the 16th and 17th centuries.
Which one of the following statements can be inferred from the paragraph above?

a) The term Nzadi o Nzere was of Portuguese origin
b) As a dictator Mobuto ordered the Portuguese to alter the name of the river to Zaire
c) Mobuto’s desire to Africanise names was prevented by the Portuguese
d) Mobuto was not entirely successful in Africanising the name of his country

Under a certain legal system, prisoners are allowed to make one statement. If their statement turns out to be true then they are hanged. If the statement turns out to be false then they are shot. One prisoner made a statement and the judge had no option but to set him free. Which one of the following could be that statement?

a) I committed the crime
b) You committed the crime
c) I will be shot
d) I did not commit the crime

Under a certain legal system, prisoners are allowed to make one statement. If their statement turns out to be true then they are hanged. If the statement turns out to be false then they are shot. One prisoner made a statement and the judge had no option but to set him free. Which one of the following could be that statement?

a) 9 : 16
b) 37 : 63
c) 47 : 53
d) 11 : 14

A spur gear with 20° full depth teeth is transmitting 20 kW at 200 rad/s. The pitch circle diameter of the gear is 100 mm. The magnitude of the force applied on the gear in the radial direction is

a) 0.36 kN
b) 0.73 kN
c) 1.39 kN
d) 2.78 kN

As per common design practice, the three types of hydraulic turbines, in descending order of flow rate, are

a) Kaplan, Francis, Pelton
b) Pelton, Francis, Kaplan
c) Francis, Kaplan, Pelton
d) Pelton, Kaplan, Francis

In a casting process, a vertical channel through which molten metal flows downward , from pouring basin to runner for reaching the mould cavity is called

a) sprue
b) riser
c) pinhole
d) blister

The lengths of a large stock of titanium rods follow a normal distribution with a mean (𝜇) of 440 mm and a standard deviation (𝜎) of 1 mm. What is the percentage of rods whose lengths lie between 438 mm and 441 mm?

a) 81.85%
b) 68.4%
c) 99.75%
d) 86.64%

During a non-flow thermodynamic process (1-2) executed by a perfect gas, the heat interaction is equal to the work interaction (Q_1-2 = W_1-2) when the process is

a) Isentropic
b) Polytropic
c) Isothermal
d) Adiabatic