ABCD is a four – bar mechanism in which AB = 30 cm, and CD = 45 cm. AB and CD are both perpendicular to fixed link AD, as shown in the figure. If velocity of B at this condition is V, then velocity of C is

1.  V

2.  3V/2

3.  9V/4

4.  2V/3

View Answer  
4
Correct Answer :

3V/2


Explanation :
No Explanation available for this question

Match List-I wish List-II and select the correct answer using the codes given below the lists List-I List-II (A) Quadric cycle chain 1. Elliptic trammel (B) Single cycle crank chain 2. Rap sons slide (C) Double slider crank chain 3. Ackerman steering (D) Crossed slider crank chain 4. Eccentric mechanism 5. Pendulum pump (B) Single cycle crank chain(C) Double slider crank chain

1.  5          4          2          1

2.  3          1          5          1

3.  5          3          4          2

4.  3          5          1          2

View Answer  
4
Correct Answer :

3          5          1          2


Explanation :
No Explanation available for this question

A friction circle is a circle drawn when the journal rotates in a bearing. Its radius depends on the coefficient of friction and

1.  Magnitude of the forces on the journal

2.  Angular velocity of the journal

3.  Clearance between the journal and the bearing

4.   Radius of the journal

View Answer  
4
Correct Answer :

Radius of the journal


Explanation :
No Explanation available for this question

The following data refers to an open belt drive: Pullay A Pullay B Purpose Driving Driven Diameter 450 mm 750 mm Angle of contact qA = 150 qB = 210 Coefficient of friction between belt and pulley fA = 0.36, fB = 0.22 The ratio of tensions may be calculated using the relation T1/T2 = exp (z), where z is

1.  fA θA

2.  fB θB

3.  (fA + fB) (θA + θB)/4

4.  (fA θA + fB θB)/2

View Answer  
4
Correct Answer :

fA θA


Explanation :
No Explanation available for this question

In a multiple V belt drive, when a single belt is damaged, it is preferable to change the complete set to

1.  Reduce vibration

2.  Reduce slip

3.  Ensure uniform loading

4.  Ensure proper alignment

View Answer  
4
Correct Answer :

Ensure proper alignment


Explanation :
No Explanation available for this question

A thin circular disc is rolling with a uniform linear speed, along a straight path surface. Consider the following statements in this regard: 1. All points of the disc has zero acceleration 2. The centre of the disc has zero acceleration 3. The centre of the disc has centrifugal acceleration 4. The point on the disc making contact with the plane surface has zero acceleration Of these statements:

1.  1 and 4 are correct

2.  3 and 4 are correct

3.  3 alone is correct

4.   2 alone is correct

View Answer  
4
Correct Answer :

2 alone is correct


Explanation :
No Explanation available for this question

An elliptic trammel is shown in the given figure associated with the motion of the mechanism are fixed and moving cent rods. It can be established analytically or graphically that the moving cent rode is a circle with radius and centre respectively of

1.  1 and 0

2.  1/2 and B

3.  1/2 and C

4.  1/2 and D

View Answer  
4
Correct Answer :

1 and 0


Explanation :
No Explanation available for this question

The Klein’s method of construction for reciprocating engine mechanism

1.  Is a simplified version of instantaneous centre method

2.  Utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine

3.  Enables determination of Corioli’s component

4.  Is based on the acceleration diagram

View Answer  
4
Correct Answer :

Utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine


Explanation :
No Explanation available for this question

With reference to the mechanism shown in the figure, the relation between F and P is

1.  F = 0.5 P. Tan α

2.  F = P. Tan α

3.  P = 2F. Tan α

4.  F = 2P. Tan α

View Answer  
4
Correct Answer :

F = 0.5 P. Tan α


Explanation :
No Explanation available for this question

In the given figure, ABCD is a four-bar mechanism. At the instant shown, AB and CD are vertical and BC is horizontal. AB is shorter than CD by 30 cm, AB is rotating at 5 rad/s and CD is rotating at 2 rad/s. The length of AB is

1.  10 cm

2.  20 cm

3.  30 cm

4.  50 cm

View Answer  
4
Correct Answer :

20 cm


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python