Description : Example of natural plant fibre: a. Silk b. Cotton c. Viscose rayon d. Polyester
Last Answer : b. Cotton
Description : What is the full form of ASTM? a. American Society for Testing and Materials b. American Standards for Textile Matters c. Association for standardizing testing methods d. Association of Standard Textile Manufacturers
Last Answer : a. American Society for Testing and Materials
Description : What are the horizontal loops formed in knitting known as? a. Warps b. Wefts c. Courses d. Wales
Last Answer : c. Courses
Description : The ends from warp beam have to be drawn through which of the following part sequentially: a. Headles b. Shuttle c. Drawing d. Cloth beam
Last Answer : a. Headles
Description : Arrange the knitting sequence in correct order 1. Needle falls, old loop rises closing latch of the needle 2. Needle is now ready to repeat cycle 3. Old loop is held on the stem of the needle. The latch is open 4. Old loop is cast off; new ... a. 2,1,5,3,4 b. 3,5,1,4,2 c. 3,5,4,1,2 d. 2,1,4,3,5
Last Answer : b. 3,5,1,4,2
Description : 2/40s yarn describes: a. Single yarn b. Spun Yarn c. Monofilament Yarn d. Plied yarn
Last Answer : d. Plied yarn
Description : Indirect yarn numbering is expressed as: a. Yarn Count b. Denier c. Tex d. Microdenier
Last Answer : a. Yarn Count
Description : Retting is used in the processing of which of the following fibres: a. Cotton b. Linen c. Silk d. Viscose rayon
Last Answer : b. Linen
Description : Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)
Last Answer : (C) Flexibility
Description : Plasticisers are added to polymers to improve their (A) Tensile strength (B) Softness & flexibility (C) Acid resistance (D) Alkali resistance
Last Answer : (B) Softness & flexibility
Description : Pick out the correct combination about the role of various additives used in polymers. (A) Plasticiser: increases the polymer strength (B) Heat stabiliser: increases the maximum service ... property of polymer but increases its weight (D) Lubricants: increases the flexibility of polymers
Last Answer : Option C
Description : On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is (A) Creep (B) Toughness (C) Tensile strength (D) Fatigue
Last Answer : (B) Toughnes
Description : Which property is not required for shaft materials? a. High shear and tensile strength b. Good mach inability c. High fatigue strength d. Good cast ability
Last Answer : d. Good cast ability
Description : The property due to which a metal can be hammered into thin sheets without breaking is _______. a) malleability b)ductility c)tensile strength d)conductivity
Last Answer : a) malleability
Description : Tick of the property, which is different from the group (A) Ductility. (B) Resistivity. (C) Tensile strength. (D) Hardness.
Last Answer : (B) Resistivity
Description : What property of a metal describes the onset of plastic deformation in a tensile test? w) tensile strength x) elongation y) yield strength z) reduction in area
Last Answer : ANSWER: Y -- YIELD STRENGTH
Description : Primary designation of steel is based on its (A) Hardness & tensile strength (B) Carbon content (C) Iron content (D) Alloying elements content
Last Answer : (D) Alloying elements content Sh
Description : The increased cohesiveness of concrete, makes it (A) Less liable to segregation (B) More liable to segregation (C) More liable to bleeding (D) More liable for surface scaling in frosty weather
Last Answer : Answer: Option A
Description : Believes, attitudes, traditions and expectations which are shared by group members is called (a) Group norms ; (b) Group communication ; (c) Group cohesiveness ; (d) Group structure
Last Answer : (a) Group norms ;
Description : ----------is the attractiveness of the members towards the group or resistance to leave it (a) Group norms ; (b) Group behavior ; (c) Group cohesiveness ; (d) Group structure
Last Answer : c
Description : Conflict is dysfunctional when it: (a) provides a medium to release tension. ; (b) reduces group cohesiveness. (c) fosters an environment of self-evaluation and change. (d) provides a means for releasing tensions.
Last Answer : (b) reduces group cohesiveness.
Description : The inherent capacity of soil to provide essential chemical elements for the growth of plants is termed as – a. Soil Productivity b. Soil Fertility c. Soil capacity d. Soil flexibility e. Soil Utility
Last Answer : b. Soil Fertility
Description : The section modulus of a rectangular light beam 25 metres long is 12.500 cm3 . The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of ... 13.33 kg/cm2 compressive (C) 26.67 kg/cm2 tensile (D) 26.67 kg/cm2 compressive
Last Answer : (C) 26.67 kg/cm2 tensile
Description : When a simply supported beam is loaded with a point load at the centre, the maximum tensile stress is developed on the (a) Top fibre (b) Bottom fibre (c) Neutral axis (d) None of these
Last Answer : (b) Bottom fibre
Description : Which of the following is not the advantage of CNC machines? a.Higher flexibility b.Improved quality c.Reduced scrap rate d.Improved strength of the components
Last Answer : d.Improved strength of the components
Description : While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the (A) Low impact strength (B) High flexibility (C) Better finish and surface appearance (D) High plastic deformation
Last Answer : A) Low impact strength
Description : Is flexibility an extensive or intensive property?
Last Answer : Need answer
Description : A primary advantage of the concentration targeting strategy is that: A)it requires less market research and information B)it requires less intensive analysis of customers needs C)it maintains the ... market segments D)it permits development of a special marketing mix for a single market segment
Last Answer : D)it permits development of a special marketing mix for a single market segment
Description : Seasoning of timber is essential to remove (A) Knots from timber (B) Sap from timber (C) Twisted fibre from timber (D) Roughness of timber
Last Answer : Answer: Option B
Description : Specific strength of materials is very high when they are in fibre size but lower when they are in bar form Why ?
Last Answer : Crystal structure has ordered, repeating arrangement of atoms. Fibres are liable to maintain this and thus have high specific strength. As size increases, the condition of ordered and repeating ... because of several types of defects and dislocations and thus the specific strength gets lower.
Description : Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre. (A) Electrical resistance (B) Thermal conductivity (C) Strength (D) None of these
Last Answer : (A) Electrical resistance
Description : The following are true about an action potential in a nerve fibre: a. it occurs when its membrane potential is hyperpolarized b. it is associated with a transient increase in membrane ... permeability to potassium d. it has an amplitude which varies directly to the strength of stimulus
Last Answer : there is a decreased in membrane permeability to potassium
Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor
Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor
Description : Fibre glass (A) Retains heat-longer (B) Has a higher strength to weight ratio (C) Is shock proof and fire retardant (D) All the above
Last Answer : Answer: Option D
Description : Specific Strength Of Materials Is Very High When They Are In Fibre Size But Lower When They Are In Bar Form - Why?
Last Answer : The crystal structure has ordered, repeating arrangement of atoms. Fibers are liable to maintain this and thus have high specific strength. As for size increases, the condition of ordered and ... because of several types of defects and dislocations, and thus the specific strength gets lower.
Description : Consider the following statements Fibre saturation point in wood is reached when 1. Free water is removed 2. Cell water is removed 3. Shrinkage of wood is rapid 4. Strength gain is rapid Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 4 only (d) 1, 3 and 4
Last Answer : (d) 1, 3 and 4
Description : What is elasticity in polymers generally related to amount of hydrogen bonding between different subunits number of subunits in the polymer chain its greater tensile strength the synthetic composure?
Last Answer : amount of hydrogen bonding between different subunitsnumber of subunits in the polymer chainits greater tensile strengththe synthetic composure
Description : How does carbon in steel affect the tensile strength?
Description : When was tensile strength discovered?
Last Answer : Tensile strength was discovered by Leonardo da vinci in the1800s.
Description : Who discovered tensile strength?
Last Answer : Leonardo da vinci
Description : What is the tensile strength of plastic?
Last Answer : There are multitudes of plastics, and they vary widely in their mechanical properties. It is not possible to assign a tensile strength to "plastic" as there are so many.
Description : Which of the following is/are true? A. Because of its thickness, the tensile strength of a healing wound on the eyelid is much less than one on the thick skin of the back. B. By 2 days, ... strength reaches a plateau by 3 weeks. D. Wounds rarely, if ever, regain the strength of intact tissues.
Last Answer : Answer: BD DISCUSSION: Tensile strength measures load per cross-section area at rupture, whereas burst strength measures load required to break a wound, regardless of dimension. Therefore, skin wounds have ... a slower rate for more than a year. Wounds do not regain the strength of normal tissue
Description : The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?
Last Answer : (a) Cheapness. (B) Low melting point and high fluidity making it suitable for castings of intricate shape. (c) Relatively good erosion and corrosion resistance. (d) High damping capacity, with respect to vibration. (e) Relatively good mechanical properties under compressive loading.
Description : Branched chain polymers compared to linear polymers have higher (A) Density (B) Tensile strength (C) Melting point (D) Degree of irregularity in atomic packing
Last Answer : (D) Degree of irregularity in atomic packing
Description : . In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness
Last Answer : (D) Hardness, rigidity & brittleness
Description : Elastomers are (A) Thermosetting material (B) Exemplified by protein derivatives (C) Having high flexural strength (D) Having very high tensile strength and heat resistance
Last Answer : (C) Having high flexural strength
Description : Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity
Last Answer : (D) Converts its plasticity into elasticity
Description : Branched chair polymers as compared to linear polymers have (A) Higher melting point (B) Higher tensile strength (C) Lower density (D) None of these
Last Answer : (C) Lower density