General Science Questions

• Fuel technology: Tetraethyl lead (TEL) is used as what? Recall its historical role in internal combustion engines. Choose the correct application.
• Allotropy in elements: Diamond is an allotropic form of which element? Allotropes are different structural forms of the same chemical element with distinct physical properties. Choose the correct element.
• Materials and hardness: What is considered the hardest naturally occurring substance on Earth in standard general-knowledge contexts? Answer based on conventional Mohs hardness scale used in examinations. Choose the correct substance.
• A chronometer measures
• kilohertz is a unit which measures
• Decibel is the unit for
• Light year is a measurement of
• One horse power is equal to
• 'Bar' is the unit of
• Very small time intervals are accurately measure by
• One Joule is equal to
• What is the unit for measuring the amplitude of a sound?
• Nautical mile is a unit of distance used in
• Knot is a unit of speed of which of the following?
• Reading of a barometer going down is an indication of
• Kilowatt is a unit to measure
• One kilometre is equal to how many miles?
• Fathom is the unit of
• Electric current is measure by
• One fathom is equal to