Computer Aided Manufacturing (3161917) MCQs

MCQs of NC/CNC Machine Tools

Showing 21 to 30 out of 80 Questions
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