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100+ Free Assam ASSEB HS Skill Mechanical Engineering Technology Practice Questions

Assam State School Education Board (ASSEB) Higher Secondary Skill Subject Mechanical Engineering Technology Examination practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: Assam ASSEB HS Skill Mechanical Engineering Technology Exam

100

Total syllabus-aligned practice questions available in this OpenExamPrep subject bank

OpenExamPrep

3 Hours

Official duration of the ASSEB HS theory examination

Assam State School Education Board

30%

Minimum qualifying pass percentage required in theory and practical modules

ASSEB Examination Regulations

5 Modules

Core NSQF units: Materials, Machine Shop, Metrology, Fluid Power, Safety

AHSEC / NSQF Curriculum

The Assam ASSEB HS Skill Mechanical Engineering Technology exam tests Class 11 and 12 students across 5 core modules: Engineering Materials, Machine Shop Operations, Engineering Metrology, Fluid Mechanics & Hydraulics, and Industrial Safety.

Sample Assam ASSEB HS Skill Mechanical Engineering Technology Practice Questions

Try these sample questions to test your Assam ASSEB HS Skill Mechanical Engineering Technology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which mechanical property enables a metal to be drawn into thin wires without fracturing?
A.Ductility
B.Malleability
C.Hardness
D.Brittleness
Explanation: Ductility is the property of a material that allows it to undergo significant plastic deformation under tensile stress, enabling it to be drawn into thin wires.
2Which alloying element is primarily added to steel in a minimum proportion of 10.5% to impart stainless properties?
A.Chromium
B.Copper
C.Zinc
D.Lead
Explanation: Chromium reacts with oxygen in the atmosphere to form a passive chromium oxide surface film, which prevents corrosion and renders steel stainless.
3What is the primary purpose of performing the annealing process on hardened steel parts?
A.To relieve internal stresses and soften the metal
B.To increase surface hardness while keeping core soft
C.To increase brittleness and tensile strength
D.To introduce carbon into the outer skin layer
Explanation: Annealing involves heating steel above its critical temperature followed by slow furnace cooling to relieve internal stresses, soften the material, and improve machinability.
4Mild steel belongs to the plain carbon steel family and typically contains carbon in the range of:
A.0.15% to 0.30%
B.0.60% to 1.50%
C.2.10% to 4.50%
D.0.01% to 0.05%
Explanation: Mild steel (low carbon steel) contains approximately 0.15% to 0.30% carbon, making it highly ductile, weldable, and easy to machine.
5Which type of cast iron contains graphite in the form of flakes and exhibits excellent vibration damping capacity?
A.Gray Cast Iron
B.White Cast Iron
C.Malleable Cast Iron
D.Nodular (Ductile) Cast Iron
Explanation: Gray cast iron contains graphite flakes that absorb mechanical vibrations, making it the ideal material for machine tool beds and frames.
6Which mechanical property describes the ability of a material to absorb energy and deform plastically before fracturing during an impact test?
A.Toughness
B.Stiffness
C.Elasticity
D.Creep
Explanation: Toughness measures the total energy a material can absorb before fracture, evaluated using Charpy or Izod impact tests.
7During the quenching phase of steel hardening, which cooling medium provides the fastest cooling rate?
A.Brine (salt water) solution
B.Mineral quenching oil
C.Still atmospheric air
D.Molten lead bath
Explanation: Brine (5% to 10% sodium chloride in water) suppresses the steam blanket stage during quenching, providing the fastest cooling rate among common quenching media.
8Which extremely hard and brittle microstructural constituent is formed when austenite is rapidly quenched below the Ms temperature?
A.Martensite
B.Pearlite
C.Ferrite
D.Bainite
Explanation: Martensite is a supersaturated solid solution of carbon in body-centered tetragonal iron formed by diffusionless transformation during rapid quenching.
9Pack carburizing of low carbon steel components involves packing parts in a sealed box with carbonaceous material and heating to approximately:
A.900°C to 950°C
B.500°C to 550°C
C.200°C to 300°C
D.1250°C to 1300°C
Explanation: Pack carburizing takes place in the austenitic temperature range (900°C to 950°C) where carbon dissolves readily into the surface layer of steel.
10Brass is a non-ferrous binary alloy consisting primarily of which two metals?
A.Copper and Zinc
B.Copper and Tin
C.Copper and Nickel
D.Aluminum and Magnesium
Explanation: Brass is an alloy of Copper (Cu) and Zinc (Zn), widely used for valves, plumbing fittings, and decorative components due to corrosion resistance and machinability.

About the Assam ASSEB HS Skill Mechanical Engineering Technology Practice Questions

Verified exam format metadata for Assam State School Education Board (ASSEB) Higher Secondary Skill Subject Mechanical Engineering Technology Examination is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.