Mining Engineering Gate 2020 Questions with Answer

Ques 14 GATE 2020

Rajiv Gandhi Khel Ratna Award was conferred ________ Mary Kom, a six-time world champion in boxing, recently in a ceremony _________ the Rashtrapati Bhawan (the President's official residence) in New Delhi.

Ques 15 GATE 2020

Despite a string of poor performances, the chances of K. L. Rahul's selection in the team are

Ques 16 GATE 2020

Select the word that fits the analogy:
Cover: Uncover:: Associate: ________.

Ques 17 GATE 2020

Hit by floods, the kharif (summer sown) crops in various parts of the country have been affected. Officials believe that the loss in production of the kharif crops can be recovered in the output of the rabi (winter sown) crops so that the country can achieve its food-grain production target of 291 million tons in the crop year 2019-20 (July-June). They are hopeful that good rains in July-August will help the soil retain moisture for a longer period, helping winter sown crops such as wheat and pulses during the November-February period.
Which of the following statements can be inferred from the given passage?

Ques 18 GATE 2020

Repo rate is the rate at which Reserve Bank of India (RBI) lends commercial banks, and reverse repo rate is the rate at which RBI borrows money from commercial banks.
Which of the following statements can be inferred from the above passage?

Ques 19 GATE 2020

P, Q, R, S, T, U, V, and W are seated around a circular table.
I. S is seated opposite to W.
II. U is seated at the second place to the right of R.
III. T is seated at the third place to the left of R.
IV. V is a neighbour of S.
Which of the following must be true?

Ques 20 GATE 2020

The profit shares of two companies P and Q are shown in the figure. If the two companies have invested a fixed and equal amount every year, then the ratio of the total revenue of company P to the total revenue of company Q, during 2013-2018 is ______.

Ques 21 GATE 2020

In a mine bench, the shovel loading time follows exponential distribution with a mean loading time of 5 min per dumper. The arrival rate of dumpers that are identical in capacity, follows Poisson distribution with a mean arrival rate of 8 per hour. The probability that the shovel remains idle is ________. (round off to 2 decimal places).

Ques 22 GATE 2020

The selling price of one rock bolt (in Rs.) is given as, S=(200-10n^-0.5) where n is the number of bolts produced. The manufacturing cost of rock bolts has a fixed component of Rs. 15000, and a variable component of Rs. 100 per bolt. The minimum break-even production, in number of rock bolts, is _________. (round off to 1 decimal place).

Ques 23 GATE 2020

An assignment problem is given below with the cost of assignment as shown.

Ques 24 GATE 2020

A belt-drive used for power transmission between two parallel shafts has a belt of mass 1.2 kg/m. and the maximum allowable belt tension is 2250 N. If the centrifugal tension is one third of the maximum allowable belt tension, the speed at which maximum power is transmitted by the belt, in m/s, is

Ques 25 GATE 2020

An air receiver of a compressor, having volume 0.5 m³, supplies air for charging ANFO in drill holes. During the charging process the absolute pressure of the air receiver falls from 900 kPa to 700 kPa. Assuming the entire process is isothermal, the volume of air supplied by the receiver at 100 kPa ambient pressure, in m³ is

Ques 26 GATE 2020

A conveyor belt consumes 60 kW power while running at a speed of 3.0 m/s. The angle of lap is 180° and the coefficient of friction between belt and pulley is 0.2. The maximum tension (kN) in the belt is