Mechanical Engineering CBT Mock Test - Set 13

Mechanical Mock Test - Set 13

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Today, all competitive exams are Multiple Choice Questions(MCQ) based examination system and the main factor is to answer each question in a prescribed time. So, practice as much as possible before the original test you are going to face.

Total number of Multiple Choice Question (MCQ) is 15 and time allotted for each question is 30 seconds. After the allotted time, the question will be marked as un-attempt.

Test Conducted by: ObjectiveBooks.com

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 Next Mock Tests:

Set 01

Set 02

Set 03

Set 04

Set 05

Set 06

Set 07

Set 08

Set 09

Set 10

Set 11

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Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

Set 22

Set 23

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View Test Result:

01. The abrasive recommended for grinding materials of high tensile strength is
     (A) Silicon carbide
     (B) Aluminium oxide
     (C) Sand stone
     (D) Diamond
     Answer: Option B

02. In a refrigeration system, the expansion device is connected between the
     (A) Compressor and condenser
     (B) Condenser and receiver
     (C) Receiver and evaporator
     (D) Evaporator and compressor
     Answer: Option C

03. In case of sunk key,
     (A) The keyway is cut in the shaft only
     (B) The keyway is cut in the hub only
     (C) The keyway is cut in both the shaft and the hub
     (D) None of the above
     Answer: Option C

04. In value engineering, important consideration is given to
     (A) Customer satisfaction
     (B) Function concept
     (C) Profit maximization
     (D) Cost reduction
     Answer: Option D

05. The design of pin of a rocker arm of an I.C. engine is based on
     (A) Bearing failure
     (B) Shearing failure
     (C) Bending failure
     (D) All of these
     Answer: Option D

06. For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.
     (A) Greater than
     (B) Less than
     (C) Equal to
     (D) None of these
     Answer: Option B

07. In a throttling process
     (A) Heat transfer takes place
     (B) Work is done by the expanding steam
     (C) Internal energy of steam changes
     (D) None of the above
     Answer: Option D

08. According to fan laws, for the fans having constant wheel diameters, the power demand varies
     (A) Directly as fan speed
     (B) Square of fan speed
     (C) Cube of fan speed
     (D) Square root of fan speed
     Answer: Option C

09. A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called
     (A) Hydrostatic lubricated bearing
     (B) Hydrodynamic lubricated bearing
     (C) Boundary lubricated bearing
     (D) Zero film bearing
     Answer: Option A

10. To connect two parallel and coplanar shafts the following type of gearing is used
     (A) Spur gear
     (B) Bevel gear
     (C) Spiral gear
     (D) None of the above
     Answer: Option A

11. Kennedy key is used in
     (A) Light duty applications
     (B) Heavy duty applications
     (C) High speed applications
     (D) Precision equipments
     Answer: Option B

12. In the assembly of pulley, key and shaft
     (A) Pulley is made the weakest
     (B) Key is made the weakest
     (C) Key is made the strongest
     (D) All the three are designed for equal strength
     Answer: Option B

13. The capillary tube, as an expansion device, is used in
     (A) Domestic refrigerators
     (B) Water coolers
     (C) Room air conditioners
     (D) All of these
     Answer: Option D

14. Rivets are generally specified by
     (A) Thickness of plates to be joined
     (B) Overall length
     (C) Shank diameter
     (D) Diameter of head
     Answer: Option C

15. A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
     (A) Real fluid
     (B) Ideal fluid
     (C) Newtonian fluid
     (D) Non-Newtonian fluid
     Answer: Option C

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