Exam Practice Online Mechanical - Set 06

Mechanical Mock Test - Set 06

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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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01. The material most commonly used for shielding is
     (A) Carbon
     (B) Lead
     (C) Concrete
     (D) All of these
     Answer: Option C

02. The ratio of the workdone on the blades to the energy supplied to the blades, is called
     (A) Blading efficiency
     (B) Nozzle efficiency
     (C) Gross or stage efficiency
     (D) Mechanical efficiency
     Answer: Option A

03. When a pattern is made in three parts, the top part, is known as a
     (A) Drag
     (B) Cheek
     (C) Cope
     (D) None of these
     Answer: Option C

04. The rise of liquid along the walls of a revolving cylinder about the initial level is __________ the depression of the liquid at the axis of rotation.
     (A) Same as
     (B) Less than
     (C) More than
     (D) None of these
     Answer: Option A

05. Which of the following formula is used in designing a connecting rod?
     (A) Euler's formula
     (B) Rankine's formula
     (C) Johnson's straight line formula
     (D) Johnson's parabolic formula
     Answer: Option B

06. Surface endurance limit of gear material is dependent upon its
     (A) Elastic strength
     (B) Yield strength
     (C) Brinell hardness number
     (D) Toughness
     Answer: Option C

07. When the cutting edge of the tool is dull, then during machining
     (A) Continuous chips are formed
     (B) Discontinuous chips are formed
     (C) Continuous chips with built-up edge are formed
     (D) No chips are formed
     Answer: Option C

08. Which of the following charts are used for plant layout design?
     (A) Operation process chart
     (B) Man machine chart
     (C) Travel chart
     (D) All of these
     Answer: Option D

09. Carnot cycle efficiency depends upon
     (A) Properties of the medium/substance used
     (B) Condition of engine
     (C) Working condition
     (D) Temperature range of operation
     Answer: Option D

10. 18/8 steel contains
     (A) 18% nickel and 8% chromium
     (B) 18% chromium and 8% nickel
     (C) 18% nickel and 8% vanadium
     (D) 18% vanadium and 8% nickel
     Answer: Option B

11. The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called
     (A) Dedendum
     (B) Addendum
     (C) Clearance
     (D) Working depth
     Answer: Option C

12. The centre to centre distance, between two consecutive rivets in a row, is called
     (A) Margin
     (B) Pitch
     (C) Back pitch
     (D) Diagonal pitch
     Answer: Option B

13. In case of multi-disk clutches, oil is used,
     (A) To reduce the friction
     (B) To carry away the heat
     (C) To lubricate the contacting surfaces
     (D) For all above functions
     Answer: Option D

14. The organized and orderly approach to solving problems is known as the:
     (A) Engineering process
     (B) Design process
     (C) Aesthetic process
     (D) Functional process
     Answer: Option B

15. Cylinder blocks of internal combustion engine are made by
     (A) Forging
     (B) Extrusion
     (C) Casting
     (D) Drilling and broaching
     Answer: Option C

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