Computer Aided Manufacturing (2171903) MCQs

MCQs of NC/CNC Machine Tools

Showing 21 to 30 out of 80 Questions
1 2 3 4 5 6
21.

The control loop unit of M.C.U is always

(a)

a hardware unit
(b)

a software unit
(c)

a control unit
(d)

a drive unit
Answer:

Option (a)

22.

The repeatability of the NC machine depends on

(a)

control loop errors
(b)

mechanical errors
(c)

electrical errors
(d)

electronics errors
Answer:

Option (b)

23.

The linking of a computer with a communication system is called

(a)

networking
(b)

pairing
(c)

interlocking
(d)

assembling
Answer:

Option (a)

24.

The process of putting data into a storage location is called

(a)

reading
(b)

writing
(c)

controlling
(d)

hand shaking
Answer:

Option (b)

25.

The process of copying data from a memory location is called

(a)

reading
(b)

writing
(c)

controlling
(d)

hand shaking
Answer:

Option (a)

26.

A typical punched card used in IBM systems has _______ columns.

(a)

70
(b)

80
(c)

85
(d)

90
Answer:

Option (b)

27.

Which type of blocks are punched into a punch card?

(a)

Circular
(b)

Elliptical
(c)

Rectangular
(d)

Square
Answer:

Option (c)

28.

On which component the data once stored can be erased and new data saved?

(a)

Punch card
(b)

Punch tape
(c)

Plastic tape
(d)

Magnetic tape or disk
Answer:

Option (d)

29.

The magnetic tapes and disks can store more data compared to the punched card.

(a)

Correct
(b)

Incorrect
Answer:

Option (a)

30.

The data stored on magnetic tapes and disks can be corrupted if these are brought into magnetic fields.

(a)

True
(b)

False
Answer:

Option (a)

Showing 21 to 30 out of 80 Questions
1 2 3 4 5 6