MSSC Maintenance Awareness review

Question 1

Before adjusting motor position during a shaft alignment always make sure to remove the ______.

Accepted Answer

gearbox

Question 2

A green welding hose normally indicates that this hose carries __________.

Accepted Answer

Oxygen

Question 3

A(n) __________ circuit is one in which there is more than one path for current to travel.

Accepted Answer

parallel

Question 4

Turning outputs on or off through relay contacts is called______

Accepted Answer

control logic

Question 5

Mechanical advantage; gear drive system: ratio of the no. of teeth of driven gear divided by _.

Accepted Answer

the number of teeth of the driver gear

Question 6

One method of de-energizing a seal-in circuit is to use_______

Accepted Answer

a stop pushbutton

Question 7

It is standard practice in industry to carry the flow of electricity to a solenoid through __.

Accepted Answer

relay contacts

Question 8

Lubrication points should always be __________ before adding oil to a system

Accepted Answer

cleaned off

Question 9

Which of the following is not a component of a relay?

Accepted Answer

valve

Question 10

An explosion can occur if high pressured oxygen comes in contact with oil.

Accepted Answer

TRUE

Question 11

Oxy-acetylene welding requires no____ and is not sensitive to wind or drafts like GMAW or GTAW.

Accepted Answer

electricity

Question 12

Which of the following statements describes a limit switch?

Accepted Answer

All of the above

Question 13

Turning outputs on or off through relay contacts is called __________.

Accepted Answer

control logic

Question 14

Which of the following is an application of relay?

Accepted Answer

all of the above

Question 15

A control circuit that uses limit switches to sequence events is called a(n)____.

Accepted Answer

event sequencing circuit

Question 16

Torches are designed to avoid mixing oxygen and acetylene by using __________.

Accepted Answer

Reverse-flow check valves @torch inlets or regulator outlets

Question 17

Voltage is a(an) electrical __________.

Accepted Answer

force

Question 18

Which of the following is not a component of a time-delay relay?

Accepted Answer

alarm

Question 19

An on-delay timer relay's contacts will not change states until_________

Accepted Answer

a predetermined time has elapsed

Question 20

It is standard practice in industry, to carry the flow of electricity to a solenoid through___

Accepted Answer

relay contacts

Questions 20