35 points and brainiest A, B, C, D Which option identifies the terms that correctly complete the following statement?
A hammer is to a nail as a is to a .

bolt, nut
mallet, screw
socket wrench, bolt
posthole digger, earth

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]