USPS Exam 955 MSS - Test 3 with all Correct & 100%
Verified Answers |Latest Update |Already Graded A+
Which converts electrical energy to mechanical energy? ✔Correct Answer-Motor
What is a shear pin used for? ✔Correct Answer-A mechanical fuse designed to break under
specific torque
Which has the highest viscosity? ✔Correct Answer-Honey (Vicosity is how thick something is)
When a device or wire is shorted, what is the indication in the circuit? ✔Correct Answer-High
current and low resistance (Ohm's Law V = IR)
What is used to protect electronic equipment from electrostatic discharge? ✔Correct Answer-
Wearing a grounded wrist strap
A logic gate has multiple inputs and one output. When any of the inputs is high, the output is
high. What type of gate is it? ✔Correct Answer-OR Gate
What logic function does the truth table in Figure D represent?
A|Y
0|1
1|0 ✔Correct Answer-Inverter
What is the time required for a signal to move through a logic circuit called? ✔Correct
Answer-Propagation delay
What maximum size fuse should be used in a circuit with 4200W of power and 120VAC?
✔Correct Answer-30 Amps. A fuse is a safety device; maximum safety listed for 35A is 30A
A class C fire extinguisher uses which component to extinguish a fire? ✔Correct Answer-CO2
Before removing a blown fuse, what should be done? ✔Correct Answer-Remove electricity
Two Technicians and One mechanic are assigned to work on a circuit that must be de-energized;
how many Iockouts are required? ✔Correct Answer-3 (one for each person with one key
each)
A fuse gets hot while in a circuit. What can be the underlying cause? ✔Correct Answer-Fuse
clips have poor connection or improper tension
Verified Answers |Latest Update |Already Graded A+
Which converts electrical energy to mechanical energy? ✔Correct Answer-Motor
What is a shear pin used for? ✔Correct Answer-A mechanical fuse designed to break under
specific torque
Which has the highest viscosity? ✔Correct Answer-Honey (Vicosity is how thick something is)
When a device or wire is shorted, what is the indication in the circuit? ✔Correct Answer-High
current and low resistance (Ohm's Law V = IR)
What is used to protect electronic equipment from electrostatic discharge? ✔Correct Answer-
Wearing a grounded wrist strap
A logic gate has multiple inputs and one output. When any of the inputs is high, the output is
high. What type of gate is it? ✔Correct Answer-OR Gate
What logic function does the truth table in Figure D represent?
A|Y
0|1
1|0 ✔Correct Answer-Inverter
What is the time required for a signal to move through a logic circuit called? ✔Correct
Answer-Propagation delay
What maximum size fuse should be used in a circuit with 4200W of power and 120VAC?
✔Correct Answer-30 Amps. A fuse is a safety device; maximum safety listed for 35A is 30A
A class C fire extinguisher uses which component to extinguish a fire? ✔Correct Answer-CO2
Before removing a blown fuse, what should be done? ✔Correct Answer-Remove electricity
Two Technicians and One mechanic are assigned to work on a circuit that must be de-energized;
how many Iockouts are required? ✔Correct Answer-3 (one for each person with one key
each)
A fuse gets hot while in a circuit. What can be the underlying cause? ✔Correct Answer-Fuse
clips have poor connection or improper tension
