Objective Mock Test Mechanical - Set 07

Mechanical Mock Test - Set 07

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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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Set 01

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View Test Result:

01. The operation of cutting of a flat sheet to the desired shape is called
     (A) Shearing
     (B) Piercing
     (C) Punching
     (D) Blanking
     Answer: Option D

02. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of
     (A) High initial and maintenance cost
     (B) Lower discharge
     (C) Lower speed of operation
     (D) Necessity of air vessel
     Answer: Option A

03. In water wall furnace, the heat is transferred to the water walls by
     (A) Convection
     (B) Radiation
     (C) Conduction
     (D) Radiation and conduction
     Answer: Option B

04. Boiling water reactor uses the following as moderator, coolant and working fluid
     (A) Ordinary fluid
     (B) Heavy water
     (C) Molten lead
     (D) Hydrogen gas
     Answer: Option A

05. Draft angle is provided for forged parts
     (A) To arrange fiber lines in a favorable way
     (B) To avoid unbalanced forced
     (C) For easy removal from die cavities
     (D) To reduce stress concentration
     Answer: Option C

06. To avoid having to dimension to a hidden feature the drafter can utilize a ________ section.
     (A) Whole
     (B) Half
     (C) Broken out
     (D) All of the above
     Answer: Option D

07. Which of the following is not correct procedure to increase the fatigue limit?
     (A) Cold working
     (B) Shot peening
     (C) Surface decarburisation
     (D) Under stressing
     Answer: Option C

08. The efficiency of a Carnot engine depends on
     (A) Working substance
     (B) Design of engine
     (C) Size of engine
     (D) Temperatures of source and sink
     Answer: Option D

09. The gears are termed as medium velocity gears, if their peripheral velocity is
     (A) 1-3 m/s
     (B) 3-15 m/s
     (C) 15-30 m/s
     (D) 30-50 m/s
     Answer: Option B

10. The natural convection air cooled condensers are used in
     (A) Domestic refrigerators
     (B) Water coolers
     (C) Room air conditioners
     (D) All of these
     Answer: Option A

11. The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
     (A) Surface tension
     (B) Compressibility
     (C) Capillarity
     (D) Viscosity
     Answer: Option D

12. The total strain energy stored in a body is termed as
     (A) Resilience
     (B) Proof resilience
     (C) Impact energy
     (D) Modulus of resilience
     Answer: Option A

13. Fixed position layout is also known as
     (A) Analytical layout
     (B) Synthetic layout
     (C) Static product layout
     (D) None of these
     Answer: Option C

14. In designing a connecting rod, it is considered like __________ for buckling about X-axis.
     (A) Both ends hinged
     (B) Both ends fixed
     (C) One end fixed and the other end hinged
     (D) One end fixed and the other end free
     Answer: Option A

15. Hot working
     (A) Increases toughness and ductility
     (B) Increases surface finish
     (C) Increases hardness and strength
     (D) Produces accurate dimensions for the parts
     Answer: Option A

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