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Machine Kinematics Multiple Choice Questions | MCQs | Quiz

Machine Kinematics Interview Questions and Answers
Practice Machine Kinematics questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Kinematics Motion
•   Linear Velocity - 1
•   Linear Velocity - 2
•   Linear Acceleration
•   Linear & Angular Motion
•   Particle Acceleration
•   Kinematics Numericals
•   Kinetics Motion
•   Kinetic Energy Loss
•   Simple Harmonic Motion
•   Particle Velocity
•   Simple Pendulum
•   Compound Pendulum
•   Percussion Centre
•   Bifilar & Trifilar Suspension
•   Simple Mechanisms - 1
•   Simple Mechanisms - 2
•   Kinematic Link & Element
•   Links Types
•   Kinematic Pair
•   Kinematic Classifications
•   Kinematic Chain
•   Mechanism - 1
•   Mechanism - 2
•   Plane Mechanisms
•   Kutzbach Criterion
•   Grublers Criterion
•   Inversion Mechanism
•   Kinematic Chains Types
•   Quadric Cycle Chain
•   Four Bar Chain Inversions
•   Single Slider Crank Chain
•   Point Link Velocity
•   Instantaneous Centre
•   Locating Centres Method
•   Velocity Mechanisms
•   Relative Velocity
•   Relative Velocity Method
•   Slider Crank Mechanism
•   Forces Acting Mechanism
•   Acceleration Mechanisms
•   Point Link Acceleration
•   Lower Pairs Mechanism
•   Straight Line Mechanism
•   Steering Gear Mechanism
•   Double Hooke Joint
•   Friction Types
•   Lubricated Surfaces
•   Solid & Limiting Friction
•   Fluid Friction Laws
•   Friction Coefficient
•   Friction Limiting Angle
•   Rough Inclined Plane
•   Self Locking Screws
•   V-Thread Friction
•   Journal Bearing Friction
•   Pivot & Collar Bearing
•   Friction Clutches
•   Belt, Rope & Chain Drives
•   Belts Types - 1
•   Belts Types - 2
•   V-Belts
•   Chain Drive Advantages
•   Pulleys
•   Toothed Gearing - 1
•   Toothed Gearing - 2
•   Gearing Law - 1
•   Gearing Law - 2
•   Gear Trains
•   Gear Trains Types
•   Gear Teeth Systems
•   Spur Gears
•   Involute & Cycloidal Gears
•   Gear Systems Proportions
•   Involute Rack Interference
•   Bevel Gears - 1
•   Worm Gears
•   Gears Types
•   Bevel Gears - 2
•   Gearing
•   Standard Spur Gears - 1
•   Standard Spur Gears - 2
•   Contact Arc Length
•   Reverted Gear Train
•   Contact Ratio

Best Reference Books

Machine Kinematics Books

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Machine Kinematics Questions and Answers – V-Belts

Posted on June 13, 2017 by Manish

This set of Machine Kinematics Multiple Choice Questions & Answers (MCQs) focuses on “V-Belts”.

1. The included angle for the V-belt is usually
a) 20° – 30°
b) 30° – 40°
c) 40° – 60°
d) 60° – 80°
View Answer

Answer: b
Explanation: The V-belts are made of fabric and cords moulded in rubber and covered with fabric and rubber. These belts are moulded to a trapezoidal shape and are made endless. These are particularly suitable for short drives. The included angle for the V-belt is usually from 30° to 40°.
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2. The V-belts are particularly suitable for _____________ drives.
a) short
b) long
c) medium
d) none of the mentioned
View Answer

Answer: a
Explanation: The V-belts are made of fabric and cords moulded in rubber and covered with fabric and rubber. These belts are moulded to a trapezoidal shape and are made endless. These are particularly suitable for short drives.

3. The groove angle of the pulley for V-belt drive is usually
a) 20° – 25°
b) 25° – 32°
c) 32° – 38°
d) 38° – 45°
View Answer

Answer: c
Explanation: A small groove angle will require more force to pull the belt out of the groove which will result in loss of power and excessive belt wear due to friction and heat. Hence the selected groove angle is a compromise between the two. Usually the groove angles of 32° to 38° are used.

4. A V-belt designated by A-914-50 denotes
a) a standard belt
b) an oversize belt
c) an undersize belt
d) none of the mentioned
View Answer

Answer: a
Explanation: a V-belt marked A – 914 – 50 denotes a standard belt of inside length 914 mm and a pitch length 950 mm. A belt marked A – 914 – 52 denotes an oversize belt by an amount of (52 – 50) = 2 units of grade number.
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5. The wire ropes make contact at
a) bottom of groove of the pulley
b) sides of groove of the pulley
c) sides and bottom of groove of the pulley
d) any where in the groove of the pulley
View Answer

Answer: a
Explanation: The wire ropes run on grooved pulleys but they rest on the bottom of the grooves and are not wedged between the sides of the grooves.

6. Which of the following statements are correct regarding power transmission through V-belts?
(i) V-belts are used at the high-speed end.
(ii) V-belts are used at the low-speed end.
(iii) V-belts are of standard lengths.
(iv) V-angles of pulleys and belts are standardized.
Select the correct answer using the code given below.
a) 1 and 3 only
b) 2 and 4 only
c) 2, 3 and 4
d) 1, 3 and 4
View Answer

Answer: d
Explanation: Advantages of V -belts
V-belts are used at the high-speed end.
(i) V-belts are used at the high-speed end.
(ii) V-belts are of standard lengths.
(iii) V-angles of pulleys and belts are standardized

7. The creep in a belt drive is due to the
a) material of the pulleys
b) material of the belt
c) unequal size of the pulleys
d) unequal tension in tight and slack sides of the belt
View Answer

Answer: d
Explanation: The belt always has an initial tension when installed over the pulleys. This initial tension is same throughout the belt length when there is no motion. During rotation of the drive, tight side tension is higher than the initial tension and slack side tension is lower than the initial tension.
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8. In order to have a good grip on the pulley, the V-belt should touch the bottom of the groove in the pulley.
a) True
b) False
View Answer

Answer: b
Explanation: The V-belt may be operated in either direction with tight side of the belt at the top or bottom. The centre line may be horizontal, vertical or inclined.

Sanfoundry Global Education & Learning Series – Machine Kinematics.
To practice all areas of Machine Kinematics, here is complete set of 1000+ Multiple Choice Questions and Answers.

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» Next Page - Machine Kinematics Questions and Answers – Advantages and Disadvantages of Chain Drive Over Belt or Rope Drive

« Machine Kinematics Questions and Answers – Types of Belts – 2
Machine Kinematics Questions and Answers – Advantages and Disadvantages of Chain Drive Over Belt or Rope Drive »
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Deep Dive @ Sanfoundry:

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