CiviEzy CIVIL WAR (22/08/25)

Which drawing instrument is used to draw large circles accurately?

• French curve
• T-square
• Beam compass
• Divider

Answer explanation

A beam compass is designed to draw large radius circles more precisely than standard compasses.

Which IS code specifies the proportions of ingredients in RCC mix design?

• IS 456
• IS 800
• IS 875
• IS 10262

Answer explanation

IS 10262 provides guidelines for concrete mix proportioning, essential for RCC work.

The water-cement ratio affects the:

• Strength of concrete
• Cost of cement
• Mixing time
• Slump test method

Answer explanation

Lower water-cement ratio increases strength; higher ratio improves workability but reduces strength.

Which of the following is a type of temporary structure used during construction?

• Staircase
• Scaffolding
• Lintel
• Beam

Answer explanation

Scaffolding is a temporary framework that supports workers and materials during construction.

A 1:1000 scale drawing means:

• 1 mm on paper = 1000 mm on ground
• 1 cm on paper = 1 km on ground
• 1 m on paper = 1000 mm on ground
• 1000 cm on drawing = 1 cm on ground

Answer explanation

1:1000 means the object is scaled down 1000 times; so 1 mm represents 1000 mm (1 meter) in reality.

Which type of curve is preferred in railway engineering for gradual change in direction?

• Simple curve
• Transition curve
• Compound curve
• Reverse curve

Answer explanation

Transition curves allow smooth entry and exit from curves by gradually changing curvature, reducing jerk.

In AutoCAD, which command is used to remove part of an object between two points?

• Erase
• Trim
• Break
• Offset

Answer explanation

The Trim command cuts away portions of objects using cutting edges defined by the user.

In concrete, the main function of coarse aggregate is to:

• Increase workability
• Improve cohesion
• Provide strength and reduce shrinkage
• Act as a binder

Answer explanation

Coarse aggregates provide bulk, reduce shrinkage, and improve the strength of concrete.

In bar bending schedule, the unit of bar length is usually expressed in:

• Inches
• Feet
• Meters
• Millimeters

Answer explanation

Bar bending schedules commonly use millimeters for accurate and consistent detailing of reinforcement.

What is the minimum width of a residential staircase as per NBC norms?

• 0.75 m
• 0.90 m
• 1.00 m
• 1.20 m

Answer explanation

According to NBC (National Building Code), minimum staircase width in residential buildings is 0.9 m.