ISRO ME Exam 2017: Full Syllabus Mini Mock-3 for ESE & GATE ME Exams

Question 1

A small plastic boat loaded with pieces of steel rods is floating in a bath tub. If the cargo is dumped into the water allowing the boat to float empty, the water level in the tub will

Question 2

A smooth pipe of diameter 200 mm carries water. The pressure in the pipe at Section S1 ( elevation: 10 m) is 50 kpa. At section S2 (elevation: 12 m) the pressure is 20 kPa and velocity is 2 m/sec. density of water is 1000

and acceleration due to gravity is 9.8

. Which of the following is true?

Question 3

A solid block ‘A’ weighing ‘Q’ kg is resting on a flat floor. A smooth cylinder ‘B’ weighing ‘P’ kg is placed between the solid A and the vertical wall as shown in fig. The friction between the cylinder, wall and the block A is negligible. The co-efficient of friction between the block A and floor is

. The minimum weight P required to disturb the block A is

Question 4

A system is undergoing a cycle that consists of three processes. During the first process, the work is 5 kJ and the heat is 23 kJ. In the second process no work takes place and the heat interaction is —50 kJ. The third process is adiabatic. The work in the third process is

Question 5

The initial diameter required to form a cylindrical cup of outside diameter ‘d’ and total height ‘h’ having a corner radius ‘r’ is obtained using the formula

Question 6

The figure below shows a cross section through an insulated heating pipe which is made from steel (k=45 W/mK) with an inner radius of 150 mm and outer radius of 155 mm. The pipe is coated with 100 mm thickness of insulation having thermal conductivity of ik = 0.06 W/mK. Air at inlet temperature

= 60 °C flow through the pipe has a value of convective coefficient

= 35

. The outside surface of the pipe is surrounded by air which is at 15 °C and convective heat transfer coefficient on this surface has a value of

. Find the critical insulation radius?

Question 7

A manometer measures the pressure differential between two locations of a pipe carrying water. If the manometric liquid is mercury (specific gravity 13.6) and the manometer showed a level difference of 20 cm, then the pressure head difference of water between the two tapings will be

Question 8

For a vertical cylinder, The diameter of the piston is 60 mm and the mass of the reciprocating parts is 1.3 kg. At a point during the power stroke when the piston has moved from the top dead centre, the force due to gas pressure on the piston is 3 kN. If the acceleration force is 2 kN acting upward and take β = 10 °, find the thrust in the connecting rod. ______.

Question 9

A column of square section 40 mm × 40 mm, fixed to the ground carries an eccentric load of P Newton as shown in the figure.

If the stresses developed along the edge CD and AB is –1.2 N/mm² and –0.8 N/mm² respectively.
The eccentricity (e) is ______ mm.

Question 10

Elasticity of various materials is controlled by its

Question 11

For which of the following application power screw is being used;

Question 12

If the temperatures at the inlet of a hot and cold fluid are 150℃ and 30℃ and outlet are 90℃ and 60℃, determine the overall heat transfer coefficient for the above HE which is much efficient. If the HE have area 8 m². Take heat transfer is equal to 74 kW.

Question 13

Multiplication of matrices is carried out using commutative laws. For commutative law AB = BA, then for anti-commutative

Question 14

A well insulated vessel containing air is heated to double the pressure and temperature 150% of initial. The amount of air that leaked is

Question 15

A purse contains 4 copper coins and 3 silver coins. A second purse contains 6 copper coins and 4 silver coins. A purse is chosen randomly and a con is taken out of it. What is the probability that it is copper coin?