1. Technician A says that a single-acting cylinder relies on the weight of the load to return it to the original position.
Technician B says that a double-acting cylinder is also
load dependent. Who is correct?
a. Technician A
b. Technician B
c. Both Technician A and Technician B

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?

The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal