Mechanical Engineering CBT Mock Test - Set 21

Mechanical Mock Test - Set 21

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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.org

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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

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

Set 22

Set 23

Set 24

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View Test Result:

01. The dynamic tooth load is due to
     (A) Inaccuracies of tooth spacing
     (B) Irregularities in tooth profiles
     (C) Deflections of teeth under load
     (D) All of these
     Answer: Option D

02. According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.
     (A) First kind
     (B) Second kind
     (C) Third kind
     (D) None of these
     Answer: option B

03. Compared with spur gears, helical gears
     (A) Run more smoothly
     (B) Run with noise and vibrations
     (C) Consume less power
     (D) Run exactly alike
     Answer: Option A

04. Which of the following do not have identical dimensions?
     (A) Momentum and impulse
     (B) Torque and energy
     (C) Torque and work
     (D) Moment of a force and angular momentum
     Answer: Option D

05. The axial component of resultant force on worm wheel is equal to
     (A) Tangential component on worm
     (B) Radial component on worm
     (C) Axial component on worm
     (D) None of the above
     Answer: Option A

06. As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
     (A) Same as
     (B) Lower than
     (C) Higher than
     (D) None of these
     Answer: Option B

07. The maximum deflection of a fixed beam carrying a central point load lies at
     (A) Fixed ends
     (B) Centre of beam
     (C) l/3 from fixed ends
     (D) None of these
     Answer: Option B

08. In these drawings it is necessary to show cut surfaces and distinguish between adjacent parts:
     (A) Auxiliary drawings
     (B) Assembly sections
     (C) 3D assemblies
     (D) Parts lists
     Answer: Option B

09. A column, which can sustain highest buckling load, has
     (A) Both ends hinged
     (B) Both ends fixed
     (C) One end fixed and other end hinged
     (D) One end fixed and other end free
     Answer: Option B

10. The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.
     (A) Inner edge
     (B) Outer edge
     (C) Corners
     (D) None of these
     Answer: Option A

11. The rivet head used for boiler plate riveting is usually
     (A) Pan Head
     (B) Snap head
     (C) Counter sunk head
     (D) Conical head
     Answer: Option B

12. Which of the following pump is preferred for flood control and
irrigation applications?
     (A) Centrifugal pump
     (B) Axial flow pump
     (C) Mixed flow pump
     (D) Reciprocating pump
     Answer: Option B

13. A localized compressive stress at the area of contact between two members is known as
     (A) Tensile stress
     (B) Bending stress
     (C) Bearing stress
     (D) Shear stress
     Answer: Option C

14. In case of sunk key, power is transmitted by means of,
     (A) Friction force
     (B) Shear resistance of key
     (C) Torsional shear resistance of key
     (D) Tensile force
     Answer: Option B

15. In which of the following machine, the work remains stationary and the tool is rotated?
     (A) Vertical boring machine
     (B) Horizontal boring machine
     (C) Precision boring machine
     (D) Jig boring machine
     Answer: Option B

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