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SCREWED JOINTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

SCREWED JOINTS

MULTIPLE CHOICE QUESTIONS

(MCQ) WITH ANSWERS

MCQ on screwed joints increase depth

of understanding and clarity. This helps

in the proper selection of a screwed joint

in a particular application.

    1. A screwed joint is a

  1. Temporary joint

  2. Permanent joint

  3. Temporary as well as permanent joint

  4. None

Ans: (a)

    2. In a fanged coupling, two flanges are connected by a

  1. Welded joint

  2. Riveted joint

  3. Screwed joint

  4. None

Ans: (c)

3. Which type of screw fastener is threaded at both the ends?

a. Through bolt
b. Tap bolt
c. Studs
d. None

ANS: (c)

4. Which type of screw fastener is threaded throughout its length

(a) Studs

(b) Tap bolt

(c) Set Screw

(d) None

ANS: (c)

5. When the screw of a screw jack rotates, load kept on it moves

(a) Axially downwards

(b) axially upwards

(c) Axially downward or upwards

(d) None

ANS: ( c)

6. Multiple threads are used to achieve

(a) Increased load lifting capacity

(b) Low efficiency

(c) high efficiency

(d) None

ANS: (c )

7. To transmit power in one direction, which type of screw threads are used?

(a) Acme threads

(b) Square threads

(c) Buttress threads

(d) None

ANS: (c )

8. Which joint is best under vibrations?

(a) Threaded joint
(b) welded joint
(c) Both threaded and welded joints
(d) None
ANS: (b)

9. Set screws are subjected to

(a) Tensile forces
(b)  Compressive forces
(c) Both tensile and compressive
(d) None

ANS: (b)

  1. Name the tool used to cut external threads

  1. Both Tap and die

  2. Die

  3. Tap

  4. None

Ans: (b)

  1. Tool used to cut internal threads

  1. Tap

  2. Die

  3. Tap as well as die

  4. None

Ans: (a)

  1. Distance traveled in one full rotation of the nut is called

  1. Lead

  2. Circular pitch

  3. Linear pitch

  4. None

Ans: (c)

  1. Diameter of a main body of a bolt is

  1. Constant

  2. Variable

  3. Partially constant and partially variable

  4. None

Ans: (a)

  1. Screw main body diameter is

  1. Variable

  2. Constant

  3. Partially constant and partially variable

  4. None

Ans: (a)

  1. Shank of the bolt is

  1. Threaded throughout the length

  2. Threaded for partial length

  3. Not threaded at all

  4. None

Ans: (b)

  1. A stud has threads on its shank from

  1. One side

  2. Both sides

  3. Uses a nut for tightening

  4. None

Ans: (b)

  1. Screw connects two parts having

  1. Internal threads

  2. External threads

  3. Internal as well as external threads

  4. None

Ans: (a)

  1. Stud uses a

  1. Nut on one side

  2.  Both sides uses a nut

  3. No nut

  4. None

Ans: (c)

  1. Significance of M 16 x 1.5 x 20 in case of a bolt is

  1. Length x pitch x diameter

  2. Diameter x pitch x length

  3.  No. of threads x Diameter x pitch

  4. None

Ans: (b)

  1. Crest diameter of a screw thread is the

    1. Minor diameter

    2. Major diameter

    3. Core diameter

    4. None

Ans: (b)

  1. Root diameter of a screw thread is the

    1. (Major – Minor) diameter

    2. Major diameter

    3. Core diameter

    4. None

Ans: (c)

  1. Meaning of designation M 30 x 3 for a bolt is

    1. That Metric threads of 30 mm in number with 3 mm pitch

    2. The Metric threads of 30 mm diameter with 3 threads per mm

    3. Metric threads of 30 mm outside diameter and 3 mm pitch

    4. None

Ans: (c)

  1. That fastener prevents relative motion between parts being connected

  1. Set screws

  2. Bolt

  3. Stud

  4. None

Ans: (a)

  1. Which type of nut prevents slipping while tightening

  1. Square nut

  2. Hexagonal nut

  3. Castle nut

  4. None

Ans: (b)

  1. In case of a single start thread, lead is equal to

  1. 1/pitch

  2. 1 pitch

  3. Diameter of bolt

  4. None

Ans: (b)

  1. In a double start thread, lead is equal to

  1. 2/pitch

  2.  Diameter of bolt x 2

  3. 2 x pitch

  4. None

Ans: (c)

  1. Angle of ACME thread is

  1. 290

  2. 390

  3. 590

  4. None

Ans: (i)

  1. . BUTTRESS thread angle  is

  1. 350

  2. 550

  3. 450

  4. None

Ans: (c)

  1. TRAPEZOIDAL thread angle is

  1. 200

  2. 400

  3. 500

  4. None

Ans: (d)

  1. Thread is the most efficient

  1. Square thread

  2. ACME thread

  3. V-thread

  4. None

Ans: (a)

  1. ACME screw thread is of

  1. V- thread form

  2. Trapezoidal thread form

  3. Square thread form

  4. None

Ans: (b)

  1. General purpose screw thread is of

  1. V-thread form

  2. Square thread form

  3. Trapezoidal thread form

  4. None

Ans: (a)

  1. Metric designation M 20 x 2 is for an

  1. External thread

  2. Internal thread

  3. Both for internal as well as external thread

  4. None

Ans: (b)

  1. Type of thread is used in screw jacks

  1. ACME thread

  2. V-thread

  3. Square thread

  4. None

Ans: (c)

  1. Screw jack is used where do we need

  1. Rotational motion

  2. Linear motion

  3. Linear as well as rotational motion

  4. None

Ans: (b)

  1. Square thread screw jack is used to lift

  1. Light loads

  2. Light as well as heavy loads

  3. Bending loads

  4. None

Ans: (d)

 

https://www.mesubjects.net/wp-admin/post.php?post=6195&action=edit       MCQ Riveted joints

https://www.mesubjects.net/wp-admin/post.php?post=6156&action=edit         MCQ Joints

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