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ESE(IES) 2016-Mechanical Engineering Mock Test 4
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Question 1
If B is the centre of buoyancy, G is the centre of gravity and M is the metacentre of a floating body, the body will be in stable equilibrium if ________.
Question 2
How could 'Magnus effect' be simulated as a combination?
Question 3
The head loss in turbulent flow in pipe varies
Question 4
In which one of the following materials, is the heat energy propagation minimum due to conduction heat transfer?
Question 5
Natural convection heat transfer coefficients over surface of vertical pipe and vertical flat plate for same height and fluid are equal.
What is /are the possible reasons for this?
1) Same height
2) Both Vertical
3) Same fluid
4) Same fluid flow pattern
Select the correct answer using the codes given below:
What is /are the possible reasons for this?
1) Same height
2) Both Vertical
3) Same fluid
4) Same fluid flow pattern
Select the correct answer using the codes given below:
Question 6
In a laminar developing flow through a pipe with constant wall temperature, the magnitude of the pipe wall inner surface convective heat transfer coefficient shall be maximum at the:
Question 7
Which one of the following forecasting techniques is most suitable for making long range forecasts?
Question 8
Which one of the following is an inventory system that keeps a running record of the amount in storage and replenishes the stock when it drops to a certain level by ordering a fixed quantity?
Question 9
The critical path of a network is the path that
Question 10
Which cycle consists of two reversible isotherms and two reversible isobars?
Question 11
Which of the following combustion chamber design features reduce(s) knocking in SI engines?
1). Spark plug located near the inlet valve
2). T-head
3). Wedge shaped combustion chamber.
4). Short flame travel distance.
Select the correct answer using the code given below:
1). Spark plug located near the inlet valve
2). T-head
3). Wedge shaped combustion chamber.
4). Short flame travel distance.
Select the correct answer using the code given below:
Question 12
The main object of Morse test is to find out
Question 13
Match List-I with List-II select the correct answer using the code given below the lists:
List-I
A). Worm gear
B). Spur gear
C). Herringbone gear
D). Spiral bevel gear
List-II
1). Impose no thrust load on the shaft
2). To transmit power between two non-intersecting shafts which are perpendicular to each other
3). To transmit power when the shafts are parallel
4). To transmit power when the shafts are at right angle to one another
List-I
A). Worm gear
B). Spur gear
C). Herringbone gear
D). Spiral bevel gear
List-II
1). Impose no thrust load on the shaft
2). To transmit power between two non-intersecting shafts which are perpendicular to each other
3). To transmit power when the shafts are parallel
4). To transmit power when the shafts are at right angle to one another
Question 14
Who postulated the maximum distortion energy theory _________?
Question 15
Which one of the following factors is more relevant to present complete solubility of two metals in each other?
Question 16
Consider the following statements about medium carbon steel:
(1) It can be quench-hardened but not case-hardened
(2) It cannot be quench-hardened but case-hardening can be done
(3) It exhibits distinct yield point under tension test
Which of these statements are correct?
(1) It can be quench-hardened but not case-hardened
(2) It cannot be quench-hardened but case-hardening can be done
(3) It exhibits distinct yield point under tension test
Which of these statements are correct?
Question 17
A 0.6 C-plain carbon steel has, approximately,
Question 18
Which of the following statements are correct for multi-staging in a reciprocating air compressor?
1) It decreases the volumetric efficiency.
2) The work done can be reduced.
3) A small high-pressure cylinder is required.
4) The size of flywheel is reduced.
Select the correct answer using the code given below:
1) It decreases the volumetric efficiency.
2) The work done can be reduced.
3) A small high-pressure cylinder is required.
4) The size of flywheel is reduced.
Select the correct answer using the code given below:
Question 19
Assertion (A): Gas and stream nozzles are shaped at inlet in such a way that the nozzle converges rapidly over the first portion of its length
Reason (R): This shape is provided so that velocity at inlet to the nozzle is negligibly small in comparison with the exit velocity
Reason (R): This shape is provided so that velocity at inlet to the nozzle is negligibly small in comparison with the exit velocity
Question 20
Consider the following :
1) Superheater
2) Economizer
3) Air pre-heater
4) Condenser
Which of the above improve overall steam power plant efficiency?
1) Superheater
2) Economizer
3) Air pre-heater
4) Condenser
Which of the above improve overall steam power plant efficiency?
Question 21
In atomic hydrogen welding, hydrogen acts as
Question 22
The process of removing the burrs or flash from a forged component in drop forging is called
Question 23
The refrigerating efficiency, that is the ratio of actual COP to reversible COP of a refrigeration cycle is 0.8. the condenser and evaporator temperatures are 510C and -300C respectively.If cooling capacity of the plant is 2.4 kW then what is the work requirement?
Question 24
In gas cycle refrigeration system, an expander replaces the throttle valve of a vapour compression system, because
Question 25
The figure shown below represents the BM diagram for a simply supported beam
The beam is subjected to which one of the following?
The beam is subjected to which one of the following?
Question 26
E, G, K, and μ represent the elastic modulus, shear modulus, bulk modulus and Poisson’s ratio respectively of a linearly elastic, isotropic and homogeneous material. To express the stress–strain relation completely for this material, at least
Question 27
Consider the following statements :
Cam followers are generally classified according to
1) The nature of its motion
2) The nature of its surface in contact with the cam
3) The speed of the cam
Which of these statements are correct?
Cam followers are generally classified according to
1) The nature of its motion
2) The nature of its surface in contact with the cam
3) The speed of the cam
Which of these statements are correct?
Question 28
What is the number of nodes in a shaft carrying three rotors?
Question 29
Assertion (A) : Though heat is added during a polytropic expansion process for which , the temperature of the gas decreases during the process.
Reason (R) : The work done by the system exceeds the heat added to the system.
Reason (R) : The work done by the system exceeds the heat added to the system.
Question 30
When a real gas undergoes Joule-Thomson expansion, the temperature
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