For a closed system , what is held constant during an energy balance

• Energy in the system

• Matter in the system

• Both energy and matter

• Neither energy nor matter

Which of the following is an example of a unit operation ?

• A chemical reaction

• A phase change

• A separation process

• All of the above

If the reactions activation energy is high , how does this affect the reaction rate ?

• It increases the reaction rate

• It decreases the reaction rate

• It has no effect on the reaction rate

• It depends on the catalyst used

The Reynolds number is a dimensionless quantity used to predict fluid flow patterns .Laminar flow is characterized by a high Reynolds

• True
• False

It was Sunday on 1-Jan-2006 , What was the day of the week 1-Jan-2010

• Sunday

• Saturday

• Friday

• Wednesday

Who is the person in the Photo

• S.Ravikumar

• Sundar Pichai

• Donald Trump

• Mark Zukerberg

Which city will host theb 5th Coast Guard Global Summit in 2027 ?

• Mumbai

• New Delhi

• Chennai

• Kochi

In which location did the terrosit attack on April 22 , 2025 , tragically target tourists during peak season ?

• Gulmarg

• Pahalgam

• Sonmarg

• Leh

In which Indian state was the Pink E-Rickshaw Initiative launched to empower women through green mobility ?

• Gujrat

• Maharashtra

• Karnataka

• Kerala

Which of the following is used in pencils ?

• Silicon

• Charcoal

• Graphite

• Phosphorous