The answers of questions marked with * are subject to change with timeFor the optimum operation of GPS, an input from ______ satellites is required.
A. 1 B. 2 C. 3 D. 4Banaspati Ghee, commonly used in Pakistan is produced by hydrogenation (addition of H2 gas) of:
A. Corn Oil B. Soyabean Oil C. Butter D. Palm OilThe device that reduces the harmful emissions from cars is called:
A. Resistor B. Catalytic Converter C. Transistor D. CapacitorAD Pop Welfare-17 Optical Fiber system is used in: