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Hassan
1.The materials which have the same elastic properties in all directions are called?
A. Hard
B. Homogeneous
C. Brittle
D. Hard
2.The body will regain it is previous shape and size only when the deformation caused by the external forces, is within a certain limit. What is that limit?
A. Plastic limit
B. Deformation limit
C. Elastic limit
D. Plastic limit
3.As the elastic limit reaches, tensile strain?
A. Decreases in proportion to the stress
B. Increases in proportion to the stress
C. Decreases more rapidly
D. Decreases in proportion to the stress
4.What kind of elastic materials are derived from a strain energy density function?
A. Cauchy elastic materials
B. Hyper elastic materials
C. Hypo elastic materials
D. Cauchy elastic materials
5.What the number that measures an object’s resistance to being deformed elastically when stress is applied to it?
A. Stress modulus
B. Poisson’s ratio
C. Plastic modulus
D. Stress modulus
6.The law which states that within elastic limits strain produced is proportional to the stress producing it is known as?
A. Poisson’s law
B. Stress law
C. Hooke’s law
D. Poisson’s law
7.For an isotropic, homogeneous and elastic material obeying Hooke’s law, the number of independent elastic constants is?
A. 3 constants
B. 6 constants
C. 9 constants
D. 3 constants
8.What is the factor of safety?
A. The ratio of longitudinal strain to stress
B. The ratio of ultimate stress to the permissible stress
C. The raio of permissible stress to the ultimate stress
D. The ratio of longitudinal strain to stress
9.What is Hooke’s law for the 1-D system?
A. The relation between normal stress and the corresponding strain
B. The relation between lateral strain and the corresponding stress
C. The relation between shear stress and the corresponding strain
D. The relation between normal stress and the corresponding strain
10.Limit of proportionality depends upon?
A. Area of cross-section
B. Type of loading
C. Type of material
D. Area of cross-section
11.The stress at which extension of a material takes place more quickly as compared to the increase in load is called?
A. Yielding point
B. Breaking point
C. Plastic point
D. Yielding point
12.Which of these is a non-hoookean material?
A. Copper
B. Aluminum
C. Rubber
D. Copper
13.Where in the stress-strain curve, the hooke’s law is valid?
A. Valid everywhere
B. Elastic range
C. Necking region
D. Valid everywhere
14.Highest value of stress for which Hooke’s law is applicable for a given material is called?
A. Significant limit
B. Proportional limit
C. Strain limit
D. Significant limit
15.The slope of the stress-strain curve in the elastic deformation region is?
A. Poisson’s ratio
B. Elastic modulus
C. Plastic modulus
D. Poisson’s ratio
16.What is the stress-strain curve?
A. It is the difference between stress and strain
B. It is the relationship between stress and strain
C. It is the percentage of stress and stain
D. It is the difference between stress and strain
17.Which point on the stress strain curve occurs after the proportionality limit?
A. Ultimate point
B. Elastic limit
C. Lower yield point
D. Ultimate point
18.Which point on the stress strain curve occurs after the lower yield point?
A. Yield plateau
B. Ultimate point
C. Upper yield point
D. Yield plateau
19.Which point on the stress strain curve occurs after yield plateau?
A. Breaking point
B. Ultimate point
C. Upper yield point
D. Breaking point
20.Which point on the stress strain curve occurs after the ultimate point?
A. Material limit
B. Elastic limit
C. Breaking point
D. Material limit
21.Elastic limit is the point?
A. up to which stress is proportional to strain
B. Up to which if the load is removed, original volume and shapes are regained
C. At which elongation takes place without application of additional load
D. up to which stress is proportional to strain
22.Where is the necking region?
A. The area between the ultimate point and rupture
B. The area between the ultimate point and initial point
C. The area between the plastic limit and elastic limit
D. The area between the ultimate point and rupture
23.. __________ converts the programs written in assembly language into machine instructions.?
A. Machine compiler
B. Interpreter
C. Assembler
D. Machine compiler
24.Phycomycetes are belongs to
A. Sac fungi
B. Lower fungi
C. Club fungi
D. Sac fungi
25. A single two pass assembler does which of the following in the first pass?
A. It allicates space for the literals
B. It computes the total length of the program
C. It builds the symbol table for the symbols and their values
D. It allicates space for the literals
26.DEBUG is able to troubleshoot only.?
A. EXE files
B. OBJ files
C. EXE file and .OBJ file
D. EXE files
27.A machine language instruction format consists of.?
A. Operand field
B. Operation code field
C. Operation code field & operand field
D. Operand field
28. Carpogonia is the female sex organ in which of the algae?
A. Rhodophycophyta
B. Xanthophycophyta
C. Chrysophycophyta
D. Rhodophycophyta
29.The xanthophyte walls are typically of _____________________
A. chitin
B. cellulose
C. cellulose and pectin
D. chitin
30. Vaucheria is a single-celled organism.
A. True
B. False
C. --
D. True
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