20 lb North(W)
20 lb East(X)
10 lb South(Y)
20 lb West(Z)
If forces pull on the horizontal ring in directions W, X, Y and Z as shown, the ring will
not move.
move in direction W.
move in direction X.
move in direction Y. - ANS-Move in direction Y
A 12-pound weight attached to a spring stretches the spring by 2 inches. How many inches will
the spring stretch if the 12-pound weight is replaced with an 18-pound weight?
2
3
4
6 - ANS-3
A computer's microprocessor is actually
a USB port.
a serial port.
a vacuum tube.
an integrated circuit. - ANS-an integrated circuit.
A household for $480,000 in the realtor received a $31,200 commission what percentage of the
selling price did the realtor earn - ANS-6.5%
A music concert is 3 hours long. During the concert there is one 27-minute intermission.
Approximately what percentage of the concert is the intermission?
5%
10%
12%
15% - ANS-15%
A photocopy machine can copy 24 pages per minute. How long will it take the machine to make
36 copies of a 324-page document?
13 hours 30 minutes
10 hours 24 minutes
8 hours 6 minutes
, 3 hours 36 minutes - ANS-8 hours 6 minutes
A photograph was reduced to a width of 15.6 cm using a scale factor of 3: 2. What was the
width of the original photograph?
10.4 cm
17.1 cm
20.6 cm
23.4 cm - ANS-23.4 cm
A poster is 18 inches high and 24 inches long. It was made by enlarging a photograph that was
3 inches high. If the photograph was proportionally enlarged, how long was the original
photograph?
4 inches
6 inches
7 inches
8 inches - ANS-4 inches
A square room has a 12-foot long wall. What is the floor area?
24 sq. ft.
48 sq. ft.
140 sq. ft.
144 sq. ft. - ANS-144 sq. ft.
A substance is considered acidic if it
is nonreactive with metals.
has a pH level higher than 7.
contains and releases hydroxide ions.
ionizes in water to form hydrogen ions. - ANS-ionizes in water to form hydrogen ions.
A switch starts or stops the flow of electric current in a circuit by means of its
probes.
contacts.
resistors.
insulators. - ANS-Resistors
Adorn most nearly means
grieve.
forgive.
worship.
decorate. - ANS-Decorate
After the crank turns 3.5 times, what will be the position of the piston within the cylinder?
at the top
same place