Book 3 Unit 2

Question 1

To what height in metres must a tank be built to store 27.3 kL of liquid if the base is 4 m by 4.2 m?
A) 1.625 m
B) 1.8 m
C) 16.8 m
D) 27.3 m
E) 4.2 m

Answer 1

A) 1.625 m

Question 2

Addition is basically a system of:
A) Multiplying
B) Adding
C) Counting
D) Dividing
E) Subtracting

Answer 2

C) Counting

Question 3

What is the total surface area in square centimetres of a closed cylinder that 10 cm high and 4 cm in diameter?
A) 145.7 cm2
B) 54.3 cm2
C) 125.6 cm2
D) 186.4 cm2
E) 136.6 cm2

Answer 3

C) 125.6 cm2

Question 4

Convert 1 m, 2 cm, 3 mm to inches.
A) 61.43 in
B) 83.28 in
C) 19.98 in
D) 20.57 in
E) 40.29 in

Answer 4

E) 40.29 in

Question 5

What is the total surface area in square metres of a closed cylinder that 5 m high and 5 m in diameter?
A) 78.54 m2
B) 145.7 m2
C) 70.69 m2
D) 117.81 m2
E) 150.8 m2

Answer 5

D) 117.81 m2

Question 6

Multiplying the numerator of dividing the denominator of a fraction by a number:
A) Multiplies the fraction by that number
B) Adds that number to the fraction
C) Subtracts that number to the fraction
D) Divides the fraction by that number
E) Does not change the value for the fraction

Answer 6

A) Multiplies the fraction by that number

Question 7

To what height in metres must a tank be built to store 30.5 kL of liquid if the base is 3 m by 3.2 m?
A) 4.2 m
B) 3.18 m
C) 1.8 m
D) 1.635 m
E) 7.3 m

Answer 7

B) 3.18 m

Question 8

The system SI prefix “mega (M)” indicates the value:
A) 1 000
B) 0.001
C) 1 000 000
D) 0.000 001
E) 0.01

Answer 8

C) 1 000 000

Question 9

If a table has a surface area of 1140 in2 what is its area in cm2?
A) 7353 cm2
B) 1.76 cm2
C) 448.81cm2
D) 176.74 cm2
E) 2895.6 cm2

Answer 9

A) 7353 cm2

Question 10

The distance measured around the outline of a plane figure as the rectangle is the:
A) Perimeter
B) Volume
C) Surface
D) Circumference
E) Area

Answer 10

A) Perimeter

Question 11

To convert a mixed number to an improper fraction multiply the whole number, by the denominator of the fraction add on the numerator and place the result over the same:
A) Denominator
B) Multiplier
C) Common
D) Numerator
E) Index

Answer 11

A) Denominator

Question 12

A ratio is the number of times that one number is ______ another number.
A) Contained in
B) Add to
C) Multiplied by
D) Subtracted from
E) Divided by

Answer 12

A) Contained in

Question 13

The basic unit for temperature is:
A) Celsius (ºC)
B) Metres per second (m/s)
C) Second (s)
D) Candela (cd)
E) Kelvin

Answer 13

A) Celsius (ºC)

Question 14

Find the lateral area in square metres of a steam pipe 15 cm in diameter and 3 m long.
A) 9.42 m2
B) 1.414 m2
C) 4853.76 m2
D) 45 m2
E) 0.45 m2

Answer 14

B) 1.414 m2

Question 15

An electric motor is rated at 15 hp. What is this motors rating in kW?
A) 4.57 kW
B) 20.11 kW
C) 11.19 kW
D) 49.21 kW
E) 5.91 kW

Answer 15

C) 11.19 kW

Question 16

The formula for the volume of a rectangle is volume (V) = lwh transpose for l =:
A) Vwh
B) Vh/w
C) V/wh
D) wh/V
E) Vw/h

Answer 16

C) V/wh

Question 17

With fractions if the numerator is less than the denominator the fraction is a/an _______ fraction.
A) Improper
B) Uncommon
C) Common
D) Decimal
E) Mixed number

Answer 17

C) Common

Question 18

The best method of decimal number division by the beginner is to move the decimal point in both the divisor and dividend so that the divisor becomes a/an:
A) Quotient
B) Whole number
C) Fraction
D) Dividend
E) Divisor

Answer 18

B) Whole number

Question 19

How many kilojoules are equal to 17 watt-hours?
A) 71.16 kJ
B) 43.18 kJ
C) 61.2 kJ
D) 4.72 kJ
E) 4.06 kJ

Answer 19

C) 61.2 kJ

Question 20

The formula for finding the area of a rectangle is:
A) S3
B) l x w x h
C) Pie(D)
D) l x w
E) S2

Answer 20

D) l x w