Energy tech revision sheet 1

A welder ordered a 75-ft3 cylinder of argon gas, a shielding gas for TIG welding. After a few days, only 15 ft3 remained. How much argon was used.

• 25 ft3
• 30 ft3
• 45 ft3
• 60 ft3

Q6: 1-1.1 A metal rod 50 ft long is cut into four pieces: the first 12 ft long, the second 8 ft long, and the third 13 ft long. What is the length of the remaining piece.

• 20 ft
• 17 ft
• 10 ft
• 15 ft

Subtract 3 from 43

• 41
• 38
• 40
• 35

Warehouse shows the following lengths of 2-inch steel pipe: - 8 pieces 22 ft long 18 pieces 10 ft long 65 pieces 14 ft long 203 pieces 8 ft long 99 pieces 6 ft long What are the total linear feet of the pipe?

• 3550 linear feet
• 3400 linear feet
• 3484 linear feet
• 3480 linear feet

Multiply 6,240 × 40

• 249,600
• 249,000
• 240,000
• 260,000

A set of three new cranes costs $564,800. What is the price per crane? (Round to the nearest unit).

• $187,800
• $190,000
• $185,500
• $188,267

Divide (use the remainder form a Rb, where a is quotient and b is remainder). 4668 ÷ 14

• 334 R6
• 333 R6
• 333 R5
• 332 R7

Divide (use the remainder form a Rb, where a is quotient and b is remainder). 15,684 ÷ 36

• 436 R 24
• 434 R 24
• 435 R 24
• 435 R 26

Aircraft travels 4,140 km and uses 230 L of gasoline. Find its gas consumption in kilometres per litter.

• 15.78 km/L
• 18 km/L

• 20.55 km/L
• 12.34 km/L

Which fraction is not equivalent to the following Fraction: 10/25

• 4/10
• 2/5
• 6/15

• 3/5