Description : A metallic tape is made of (a) Steel (b) Invar (c) Linen (d) Cloth & wires*
Last Answer : (d) Cloth & wires
Description : Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal
Last Answer : (A) Invar
Description : Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of ... should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these
Last Answer : (B) 28.28 m
Description : Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel
Description : In chain surveying tie lines are primarily provided (A) To check the accuracy of the survey (B) To take offsets for detail survey (C) To avoid long offsets from chain lines (D) To increase the number of chain lines
Last Answer : (C) To avoid long offsets from chain lines
Description : For taking offsets with an optical square on the right hand side of the chain line, it is held (A) By right hand upside down (B) By left hand upright (C) By right hand upright (D) By left hand upside down
Last Answer : (B) By left hand upright
Description : If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping (A) It is possible to set offsets correctly on east side (B) It is possible to ... possible to set offsets correctly on west side (D) It is possible to set offsets correctly on both sides
Last Answer : (D) It is possible to set offsets correctly on both sides
Description : Check lines (or proof lines) in Chain Surveying, are essentially required (A) To plot the chain lines (B) To plot the offsets (C) To indicate the accuracy of the survey work (D) To increase the out-turn
Last Answer : (C) To indicate the accuracy of the survey work
Description : The type of steel used for precision levelling staff, is (A) Titanium steel (B) Carbon steel (C) Invar (D) Stainless steel
Last Answer : Answer: Option C
Description : The depth of excavation of foundations, is generally measured with a (A) Ranging rod (B) Steel tape (C) Levelling staff (D) Boning rod
Last Answer : Answer: Option D
Description : A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel
Last Answer : (C) Invar
Description : What property of invar steel is used in making pendulums and measuring tapes?
Last Answer : Invar steel has the least co-efficient of linear expansion.
Description : Pick out the wrong statement. (A) Weldability of high carbon steel is poorer compared to low carbon steel (B) Invar is a magnetic alloy (C) Magnetic permeability of the diamagnetic material is less than one (D) Martenistic transformation never goes to completion (i.e., 100%) at room temperature
Last Answer : Option B
Description : Identify the alloy containing a non-metal as a constituent in it. (1) Bronze (2) Invar (3) Steel
Last Answer : Steel
Description : While measuring with a metallic tape of 30 m length pull should be applied (A) 1 kg (B) 2 kg (C) 3 kg (D) 4 kg
Last Answer : (C) 3 kg
Description : Expanded metal is (A) Manufactured from steel sheets (B) Used for reinforced concrete in road pavements (C) Measured in term of SWM (short way mesh) and LWM (long way mesh) (D) All the above
Description : Invar contains (A) 12% of nickel (B) 24% of nickel (C) 30% to nickel (D) 36% of nickel
Description : For setting out a simple curve, using two theodolites. (A) Offsets from tangents are required (B) Offsets from chord produced are required (C) Offsets from long chord are required (D) None of these
Last Answer : (D) None of these
Last Answer : (C) R/20
Description : If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed. (A) R/10 (B) R/15 (C) R/20 (D) R/25
Description : If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is taken (A) 15 m (B) 20 m (C) 25 m (D) 30 m
Last Answer : (D) 30 m
Description : The approximate formula for radial or perpendicular offsets from the tangent, is (A) x/2R (B) x²/2R (C) x/R (D) x²/R
Last Answer : (B) x²/2R
Description : Setting out of Lemniscate transition curves, is done with (A) Perpendicular offsets (B) Radial offsets (C) Deflection angles (D) Polar deflection angles
Description : Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in ... ) A 100 m tape of cross section 10 mm 0.25 mm stretches about 10 mm under 5 kg pull
Last Answer : (B) An increase in temperature causes a tape to increase in length and the measured distance is too large
Description : Like ordinary paints do metallic paints also fade?
Last Answer : Metallic paints do fade. It depends on the quality and the type of the aluminium paste used. Usually in most of the metallic paints, the commonly used pigment is aluminium pigment in the form of ... a short period of coating, whereas cars coated with metallic paints shine even after a long time.
Description : The length of line measured by 20 m chain was found to be 751 m. The chain was tested before start of measurement and was found correct. The chain was again tested after measurement and was found 6 cm too short. What shall be the correct length of line ?
Last Answer : Given Data: Standard length of chain (L)= 20m Measured Length (M.L.) = 751 m Error before start of measurement = 0.0 Error after measurement = 6 cm = 0.06 m To Find: Actual length or Correct length Solution: ... (L'/L) = (751) x (19.97/20) = 749.87 Correct length of line is 749.87 m
Description : Steel pipe are (A) Suitable for withstanding high internal pressure (B) Connected by riveted or welded joints (C) Generally laid underground and no expansion joint is required (D) Likely to last 100 years under ordinary conditions
Last Answer : (D) Likely to last 100 years under ordinary conditions
Description : If the area calculated form the plan plotted with measurements by an erroneous chain, accurate area of the plan is (A) Measured area (Length of chain used/Nominal chain length) (B) Measured ... of chain used)² (D) Measured area (Length of chain used/Nominal chain length)²
Last Answer : (D) Measured area × (Length of chain used/Nominal chain length)²
Description : The additional lines which are measured to show the correctness of the chain surveying are called: (A) Check clines (B) Proof lines (C) Tie lines (D) All of these
Last Answer : (D) All of these
Description : The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in (A) Chain surveying (B) Traverse method of surveys (C) Triangulation (D) None of these
Last Answer : (A) Chain surveying
Description : A standard steel tape of length 30 m and cross-section 15 1.0 mm was standardised at 25°C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of ... (A) - 0.000909 m (B) + 0.0909 m (C) 0.000909 m (D) None of these
Last Answer : (A) - 0.000909 m
Description : The element of Electric stove is made of (1) Copper (2) Invar (3) Magnalium (4) Nicrome
Last Answer : (4) Nicrome Explanation: Most heating elements use nichrome 80/20 (80% nickel, 20%chromium) wire, ribbon, or strip. Nichrome 80/20 is an ideal material, because it has relatively high resistance.
Description : Constituent metals contained in Invar?
Last Answer : Iron and Nickel
Description : . Invar contains the highest percentage of (A) Vanadium (B) Iron (C) Tungsten (D) Cobalt
Last Answer : (B) Iron
Description : Invar used in thermocouples is an alloy of nickel and (A) Iron (B) Copper (C) Chromium (D) Lead
Last Answer : (A) Iron
Description : __________ wire is never used for making the heating element. (A) Nichrome (B) Kanthal (C) Invar (D) None of these
Description : Dry-bulb temperature is: a. The absolute temperature corresponding to the atmospheric pressure b. The same as the wet-bulb temperature if the relative humidity is less than 100% c. Not required ... d. The temperature of the air measured with an ordinary thermometer e. The dew point temperature
Last Answer : Answer: D
Description : Frame the formula for the area (A) of a quadrilateral given by half the product of its diagonal (d) and sum of offsets drawn to the diagonal from its
Last Answer : Frame the formula for the area (A) of a quadrilateral given by half the product of its diagonal (d) and ... its opposite vertices `(h_(1) and h_(2))`?
Description : In ginger, vegetative propagation occurs through (a) bulbils (b) runners (c) rhizome (d) offsets.
Last Answer : (c) rhizome
Description : Offsets are produced by (a) meiotic divisions (b) mitotic divisions (c) parthenocarpy (d) parthenogenesis
Last Answer : b) mitotic divisions
Description : In the case of an inferior good, the income effect A.Partially offsets the substitution effect B.Is equal to the substitution effect C.Reinforces the substitution effect D.More than offsets the substitution effect
Last Answer : A.Partially offsets the substitution effect
Description : Offsets are produced by (1) Meiotic divisions (2) Mitotic divisions (3) Parthenocarpy (4) Parthenogenesis
Last Answer : (2) Mitotic divisions
Description : Name two free floating hydrophytes with offsets.
Last Answer : Ans: Pistia, Eichhornia
Description : What are offsets? How are they taken and recorded? Explain with sketch.
Last Answer : Offsets are lateral measurement to the base line. They are Located by judgment if short And by instruments (optical square or cross staff) if long and measured by metallic tape and shown with their chainages on base line
Description : State four instruments used for setting offsets.
Last Answer : i) Instruments used for setting offsets: 1)Chain 2)Tape 3) Open & French Cross Staff 4) Circular & Indian Optical Square ii) Principle of optical square: The angle between the first incident ray and the last reflected ray is twice to that of angle between two mirrors in optical square.
Description : State and describe the types of offsets.
Last Answer : 1. Perpendicular offset- When the offset is taken at 900 to the survey line, then it is known as perpendicular offset. 2. Oblique offset- When the offset is taken at an angle other than 900 ( ... when offset is set by swinging chain or tape to survey line, such formed offset is called Swing offset.
Description : State any four types of offsets and define them.
Last Answer : i) Long offset: If length of offset more than 15 m. ii) Short offset: If length of offset less than 15 m. iii) Perpendicular offset: Offset taken perpendicular to chain line. iv) Oblique offset: Offset not taken perpendicular to chain line.
Description : Explain the procedure of curve setting by method of offsets from long chord
Last Answer : Procedure: 1. Divide the long chord into an even number of equal parts say 8,10,12 etc. 2. Set out the offset as calculated from the formula and obtain the required points on the ... ED, the offset for the right half of the curve will be the same as those on the left half side.
Description : The item of steel work which is measured in sq.m, is (A) Collapsible gates (B) Rolling shutters (C) Ventilators and glazing (D) All the above
Last Answer : (D) All the above
Description : Tape speed is measured in A) Feet per second B) Inch per second C) Meter per second D) Centimeter per second
Last Answer : Answer : B