QUESTIONS AND CORRECT DETAILED ANSWERS
ALREADY GRADED A+ / PICAT/ASVAB / PICAT
VERIFICATION AR & MK ACTUAL EXAM (BRAND NEW)
A ball is attached to one end of a rod AB, and the other end is attached to a
vertical rotating axle as shown. The joint at B contains a pin so that the ball can
move up and down. If the axle BC rotates faster, angle x will
A: increase
B: decrease
C: not change
D: become 90 degrees
B. decrease
How many feet of a chain fence are necessary to enclose a dog pen that is square
and has an area of 64 square feet?
A. 256
B. 64
C. 32
D. 16
C. 32
,The chemical formula of a compound describes the elements the compound
contains and the
A. pH of the compound
B. conduction of the compound
C. ratio of elements in the compound
D. ration of neutrons to protons in each element
C. ratio of elements in the compound
A train goes twice as fast downhill as it can go uphill, and 2/3 as fast uphill as it
can go on level ground. If it goes 120 mph downhill, how long will it take to travel
45 miles on flat land?
A. 1/2 hour
B. 2/3 hour
C. 1- 1/2 hours
D. 2 hours
A. 1/2 hour
Which of these reduces friction?
A. Car brakes
B. Tire tread
C. Ball bearing
D. Sandpaper
,C. ball bearings
When a lobster grows a claw to replace one that was lost, the process is called?
A. restoration
B. retraction
C. regeneration
D. reproduction
C. regeneration
Any astronomical body that revolves around a larger body is called?
A. a nova
B. a comet
C. a satellite
D. an asteroid
E. a meteoroid
C. a satellite
In chemistry, to be classified as an organic substance, a substance must contain?
A. sugar molecules
B. sodium atoms
C. carbon atoms
, D. water molecules
C. carbon atoms
Which element does not contain any neutrons?
A. iron
B. carbon
C. oxygen
D. hydrogen
D. Hydrogen
What is the symbol for the hydroxyl ion?
A. H+
B. OH-
C. H2O
D. H3O
B. OH-
Which of the following actions product a chemical change?
A. boiling water
B.burning the rice
C. adding salt to the hot water