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ESE 2021 ME || Full Revision Mock Test-4
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Question 1
When at a point two solid phase changes to one solid phase on cooling then it is known as _________.
Question 2
A dimension is stated as 25 ± 0.02mm in a drawing. What is the tolerance in mm?
Question 3
In case of dynamic analysis of single slider crank chain working in the horizontal direction, the correct expression for Piston effort is given by
Question 4
Rankine’s theory is applicable to ____?
Question 5
In a circle an ant travel from A to B as shown in figure, the displacement travelled by the ant is____.(if radius of the circle is R)
Question 6
In a factory, an elevator is required to carry a body of mass 100 kg. What will be the force (in N) exerted by the body on the floor of the lift, when the lift is moving upwards with retardation of 0.8 m/s2 ?
Question 7
Which welding process is used to join two thick plates in one single pass?
Question 8
The variance of the activity in a PERT network with the worst and best period of 42 and 36 days respectively is _______
Question 9
The relation between is
Where,
Question 10
When can a piezometer be not used for pressure measurement in pipes?
Question 11
The radiative heat transfer rate per unit area (W/m2) between two plane parallel grey surfaces (emissivity = 0.9) maintained at 400 K and 300 K is (Stefan Bottzman constant = 5.67 x 10-8 W/m2 K4)
Question 12
A jet propulsion unit, with turbojet Engine, having forward speed of 1000 km/hr, produces 20 kN of Thrust and uses 50 kg of air per sec .Find the exit jet velocity ?
Question 13
Two systems have the same wet bulb temperature at 20 °C. System “A” has Dry bulb temperature of 25 °C since it has a relative humidity of 65%. System “B” has a relative humidity of 30%. What will be its dry bulb temperature?
Question 14
Maximum efficiency is obtained in centrifugal pumps when the blades are _________.
Question 15
The freezing point of Sulphur dioxide is __________.
Question 16
In which of the following process, there is only work interaction between the system and the surroundings:-
Question 17
The heat flow rate through parallel walls of thickness L1, L2 and L3 having surface areas A1, A2 and A3, thermal conductivities k1 ,k2 , and k3 respectively, with the first and last walls maintained at temperatures t1 and t2 will be
Question 18
Separation of flow occurs when pressure gradient_______.
Question 19
The relation , where s represents entropy, Q represents heat and T represents temperature (absolute), holds good in which one of the following processes?
Question 20
Resistance of material against any external force is known as :
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ESE & GATE MEGeneralJul 14ESE & GATE ME