CNC Machine & PLC - MCQs with answers
CNC Machine & PLC - MCQs with answers1. Which unit of PIC undergo the process of converting mains ac voltage to low dc voltage required for the circuits and the input-output interfacing modules ?
a. Memory Unit
b. Processing Unit
c. Input/Output Unit
d. Power Supply UnitView Answer / Hide Answer
2. Which bus forms an intermediate communication path between input/output ports and input/output units?
ANSWER: d. Power Supply Unit
a. Control Bus
b. Data Bus
c. Address Bus
d. System BusView Answer / Hide Answer3.Which kind of switches examine or detect the presence of an item or object without making contact with them?
a. Proximity Switches
b. Reed Switches
c. Photo-electric Switches
d. Mechanical SwitchesView Answer / Hide Answer
4. Which machine tools are basically handled and controlled by Computer Numerical Control (CNC) machine especially at the manufacturing sector?
ANSWER: a. Proximity Switches
c. Mills & Grinders
d. All of the aboveView Answer / Hide Answer
ANSWER: d. All of the above