Science Quiz / MCQs

Q 151. The first step to getting output from a laser is to excite an active medium, What is this process called?
a) Pumping b) Priming c) Exciting d) Raising
Q 152. What does the term PLC stand for?
a) Program List Control b) Piezo Lamp Connector c) Programmable Lift Computer d) Programmable Logic Controller
Q 153. Which motor is NOT suitable for use as a DC machine?
a) Squirrel cage motor b) Synchronous motor c) Series motor d) Permanent magnet motor
Q 154. What does VVVF stand for?
a) Very Very Vicious Frequency b) Variable Velocity Variable Fun c) Variant Voltage Vile Frequency d) Variable Voltage Variable Frequency
Q 155. Sometimes computers and cash registers in a foodmart are connected to a UPS system, What does UPS mean?
a) Uniform Product Support b) Uninterruptable Power Supply c) United Parcel Service d) Under Paneling Storage