Task2. Design and implement shell1.c program to handle "exit" command to terminate the program. That is, if the user input-string is "exit", then the program terminates. Task3. Design and Implement shell2.c to implement a signal handler to handle ctrl+C (SIGINT) as listed below void sig_int(int signo) { printf("\nCaught SIGINT!\n"); }

What precautions should you take to prevent injuries when dealing with heavy loads?

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives