Design a payroll class that has data members for an employee's hourly par rate, number of hours worked and total pay for the week. write a program with an array of seven payroll objects. the program should ask the user for the number of hours each employee has worked and will then display the amount of gross pay each has earned.

Fluids at rest possess no flow energy. a)- true b)- false

Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?

Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false