MO VALLEY TEST 1-4 QUESTIONS & ANSWERS
A circuit is defined as a completed path for voltage to flow from a source of voltage
through a load and back to the source.
T/F - Answers -False
A complete circuit or path is often referred to as a(n) ? circuit.
a.closed
b.infinite
c.open
d.short - Answers -a.closed
When current does not flow in a circuit, it is called a(n) ? circuit.
a.closed
b.infinite
c.open
d.short - Answers -c.open
When a circuit is open, voltage does not exist in the circuit.
T/F - Answers -False
When current finds an alternate path back to the source, rather than taking a path
through the load, it is called a(n) ? circuit.
a.closed
b.infinite
c.open
d.short - Answers -d.short
A short circuit causes a drastic decrease in the ? of the circuit and could cause the ? to
be dangerously high.
a.power / resistance
b.power / voltage
c.resistance / current flow
d.voltage / resistance - Answers -c.resistance / current flow
Current flow in an electrical circuit is caused by ? and opposed by ? .
a.inductance / resistance
b.resistance / power
c.voltage / power
d.voltage / resistance - Answers -d.voltage / resistance
Work is the product of the force and the distance that force moves something, and is
measured in ? .
a.foot-pounds
, b.horsepower
c.time
d.weight - Answers -a.foot-pounds
The ? in an electrical circuit uses the power to convert electrical energy into some other
form of energy.
a.amperes
b.load
c.ohms
d.voltage - Answers -b.load
Power is the rate at which work is done.
T/F - Answers -true
Any time current flows through a resistance, heat is produced.
T/F - Answers -True
The working load limit is determined by the breaking strength of rigging equipment,
divided by the ? .
a.maximum breaking limit
b.maximum load limit
c.overload limit
d.safety factor - Answers -d.safety factor
The constant force applied to an object to keep that object in place is ? force.
a.friction
b.lifting
c.sheer
d.static - Answers -d.static
As a rule of thumb, the friction loss for each sheave is approximately ? of the sheave
load.
a.5%
b.10%
c.15%
d.20% - Answers -b.10%
It is acceptable to knot two slings together when the load is less than half the WLL of
the slings.
T/F - Answers -False
The smallest recommended sling angle is ? .
a.15°
b.30°
c.45°
d.60° - Answers -b.30°
A circuit is defined as a completed path for voltage to flow from a source of voltage
through a load and back to the source.
T/F - Answers -False
A complete circuit or path is often referred to as a(n) ? circuit.
a.closed
b.infinite
c.open
d.short - Answers -a.closed
When current does not flow in a circuit, it is called a(n) ? circuit.
a.closed
b.infinite
c.open
d.short - Answers -c.open
When a circuit is open, voltage does not exist in the circuit.
T/F - Answers -False
When current finds an alternate path back to the source, rather than taking a path
through the load, it is called a(n) ? circuit.
a.closed
b.infinite
c.open
d.short - Answers -d.short
A short circuit causes a drastic decrease in the ? of the circuit and could cause the ? to
be dangerously high.
a.power / resistance
b.power / voltage
c.resistance / current flow
d.voltage / resistance - Answers -c.resistance / current flow
Current flow in an electrical circuit is caused by ? and opposed by ? .
a.inductance / resistance
b.resistance / power
c.voltage / power
d.voltage / resistance - Answers -d.voltage / resistance
Work is the product of the force and the distance that force moves something, and is
measured in ? .
a.foot-pounds
, b.horsepower
c.time
d.weight - Answers -a.foot-pounds
The ? in an electrical circuit uses the power to convert electrical energy into some other
form of energy.
a.amperes
b.load
c.ohms
d.voltage - Answers -b.load
Power is the rate at which work is done.
T/F - Answers -true
Any time current flows through a resistance, heat is produced.
T/F - Answers -True
The working load limit is determined by the breaking strength of rigging equipment,
divided by the ? .
a.maximum breaking limit
b.maximum load limit
c.overload limit
d.safety factor - Answers -d.safety factor
The constant force applied to an object to keep that object in place is ? force.
a.friction
b.lifting
c.sheer
d.static - Answers -d.static
As a rule of thumb, the friction loss for each sheave is approximately ? of the sheave
load.
a.5%
b.10%
c.15%
d.20% - Answers -b.10%
It is acceptable to knot two slings together when the load is less than half the WLL of
the slings.
T/F - Answers -False
The smallest recommended sling angle is ? .
a.15°
b.30°
c.45°
d.60° - Answers -b.30°
