FREE PICAT General Questions and Answers

Question 1

What will be the strain in the card at the designated location when four weights are linked together and suspended from the ceiling?

Accepted Answer

240 Pounds

Answer

This question implies a calculation of total weight or force. Given the options, '240 Pounds' is the only one that represents a unit of force or weight, which would be relevant to 'strain' in a card supporting suspended weights. It suggests that four items, each weighing 60 pounds, are linked together (4 * 60 = 240 pounds).

Question 2

Which equipment could be utilized when it's necessary to turn on an electrical current remotely?

Accepted Answer

chemical

Answer

This question is unconventional, as 'chemical' is not standard equipment for remotely turning on an electrical current. However, in highly specialized contexts, a chemical reaction could be used to activate a battery or trigger a switch remotely. For instance, a chemically-activated battery could power a remote control device, or a pyrotechnic switch could be initiated by a chemical reaction to close a circuit.

Question 3

Which of the following tools guards against current overloads in A circuit?

Accepted Answer

Fuse

Answer

A fuse is a safety device designed to protect an electrical circuit from excessive current. It contains a metal wire or strip that melts and breaks the circuit if the current exceeds a safe level, thereby preventing damage to equipment and reducing the risk of fire.

Question 4

Silicon chips are mostly utilized in

Accepted Answer

integrated circuits

Answer

Silicon chips are the fundamental building blocks of modern electronics. They are primarily utilized in integrated circuits (ICs), which are miniature electronic circuits fabricated on a single piece of semiconductor material, typically silicon. These ICs form the core components of computers, smartphones, and countless other electronic devices.

Question 5

When a blown fuse stops current flow, what does the circuit become?

Accepted Answer

open

Answer

When a fuse blows, its conductive element melts and breaks, creating a gap in the electrical path. This interruption prevents current from flowing through the circuit, effectively making it an 'open' circuit. An open circuit is one where the path for current is incomplete.

Picat Practice Test

Picat Practice Test

FREE PICAT General Questions and Answers