2019 Plumbing Arithmetic

Gross profit, sale less cost of good sold, as a percentage of a sales is ___.

• rate of return

• gross margin

• net income

• profit margin

If the hypotenuse of the triangle is 100 cm, and the one side is 10cm longer than the other, what is the length of the shorter leg?

• 65.35 cm

• 56.53 cm

• 63.55 cm

• 65.53 cm

What is the worth of the property as shown in the accounting records of an enterprise.

• use value

• book value

• market value

• fair value

If the acceleration due to earth gravity were suddenly doubled which of the following would not happened?

• Some objects that float on water would sink

• a 150-N object w2ould weigh 300 N

• a car going up a slope would slow down.

• a high jumper would be able to jump once half of the present record.

A father is aged 15 x 3 more than his son's age. After 8 years, he would be 2 1/2 times of his son's age. Again after 8 years, how many times would he be his son's age?

• 3.5 times his son's age

• 2 times his son's age

• 2.5 his son's age

• 3 times his son's age

Points which line on the same plan are called:

• Coplanar

• Congruent

• concurrent

• collinear

What is the solution of 6a=42?

• 4

• 7

• 6

• 5

The symbol n√b, "b" is called the :

• Radicand

• Index

• Radical

• Radix

What refers to the highest ordinate on the stress-strain diagram?

• Ultimate strength

• Rapture strength

• allowable strength

• Yield Strength

174 degrees is equivalent to ___ mils.

• 3094

• 3049

• 3904

• 3409

• 174⁰ (6400 mils/360°) = 3093.3 mills