A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then 

which is correct statement about density of metal 

(A) Density of metal can't be determined 

(B) Metal is twice as dense as water 

(C) Metal will float in water 

(D) Metal is twice as dense as unknown fluid 

1 Answer

Answer :

(A) Density of metal can't be determined 

Related questions

Description : A spherical iron shell with external diameter 21 cm weighs 22775 x 5/21 grams. Find the thickness of the shell if the metal weighs 10 gms per cu cm. -Maths 9th

Last Answer : answer:

Description : A moist soil sample of volume 60 cc. weighs 108 g and its dried weight is 86.4 g. If its absolute density is 2.52, the degree of saturation is (A) 54 % (B) 64 % (C) 74 % (D) 84 %

Last Answer : (D) 84 %

Description : A block of metal which weighs 60 newtons in air and 40 newtons under water has a density, in kilograms per meter cubed, of: w) 1000 x) 3000 y) 5000 z) 7000

Last Answer : ANSWER: X -- 3000

Description : An unsaturated 100 cm3 sample of soil weighs 190 g. If its dried weight is 160 g, water content of the soil, is (A) 0.188 (B) 0.288 (C) 0.388 (D) 0.588

Last Answer : Answer: Option A

Description : The weight of 6.023 x 1022 atoms of carbon is – (1) 12 gms (2) 120 gms (3) 1.2 gms (4) 0.12 gms

Last Answer : (1) 12 gms Explanation: The number is known as Avogadro 's Number which is the number of atoms in 12g of the isotope carbon-12. carbon atoms weigh = 12 grams.

Description : Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per m2 of steel strip. (A) 5-10 (B) 1000-1500 (C) 120-500 (D) 1500-3000

Last Answer : Option C

Description : The weight of 6.023 × 1022 atoms of carbon is (1) 12 gms (2) 120 gms (3) 1.2 gms (4) 0.12 gms

Last Answer :  12 gms

Description : Four solid cubes of different metals, each one having a mass of one kg are weighed in water select the correct statement: (a) all cubes weigh equal (b) cube with minimum density weighs minimum (c) cube with minimum density weighs maximum (d) the mass of all cubes will be the same

Last Answer : Ans:(b)

Description : Find the force on a conductor of length 12m and magnetic flux density 20 units when a current of 0.5A is flowing through it. a) 60 b) 120 c) 180 d) 200

Last Answer : b) 120

Description : For a loose sand sample and a dense sand sample consolidated to the same effective stress (A) Ultimate strength is same and also peak strength is same (B) Ultimate strength is different but peak strength ... of dense sand is greater than that of loose sand (D) Ultimate strength is same but peak

Last Answer : (C) Ultimate strength is same but peak strength of dense sand is greater than that of loose sand

Description : .If the income of company A in 2009 was Rs.100 cr. Then what was the expenditure of company B in that year? a) Rs.150 cr. b) Rs.120 cr. c) Rs.140 cr. d) Can’t be determined e) None of these

Last Answer : d) Can’t be determined

Description : If water contracts on freezing, which of the following would happen? (a) Icebergs will completely float on the surface of water (b) Ice would become more dense (c) Lakes would freeze from top to bottom (d) Rocks will crack due to freezing of internal water

Last Answer : Ans:(b)

Description : A column is said to be of medium size if its slenderness ratio is between (A) 20 and 32 (B) 32 and 120 (C) 120 and 160 (D) 160 and 180

Last Answer : (B) 32 and 120

Description : A steel ball floats on mercury because (a) mercury does not allow any metallic ball to sink in it (b) mercury is also a metal in the liquid form (c) the density of mercury is higher than that of steel (d) a steel ball can be made to float on any liquid by suitable adjustment

Last Answer : Ans:(c)

Description : PROBLEM FA sample of soft saturated clay weighs 350 grams and has a volume of 205cc. After oven drying, the soil weighs 225 grams. Calculate the values of saturated unit weight, void ratio, porosity and specific gravity?

Last Answer : {

Description : There are 8 pills. They are all the same size and color. One pill weighs slightly more and is poisonous. You have a balanced scale and you can only use it twice. How can you find the poisonous Pill? -Riddles

Last Answer : Take any six pills and divide them into two groups of three each. Weigh putting the 3 pills on each side. If one side weigh's heavier than another, the heavier side consists of the poisonous pill. ... . If all the 6 pill weigh the same, weigh the remaining two pill and heavy one is poisonous.

Description : Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from (A) 80° to 90°C (B) 90° to 95°C (C) 103° to 105°C (D) 105° to 110°C

Last Answer : (D) 105° to 110°C

Description : Two train travel in opposite directions at 36 kmph and 45 kmph and a man sitting in slower train passes the faster train in 8 seconds. Then length of the faster train is: A.120 m B.140 m C.160 m D.180 m E.None of these

Last Answer : Answer – D (180 m) Explanation – When OPP. direction-PLUS Relative speed = (36 + 45) km/hr = [81 x 5/18] m/sec = [45/2] m/sec. Length of train = [45/2 x 8] m = 180 m.

Description : Relative density of a compacted dense sand is approximately equal to (A) 0.4 (B) 0.6 (C) 0.95 (D) 1.20

Last Answer : (C) 0.95

Description : The ratio of the difference between the void ratio of the soil in its loosest state and its natural void ratio (e) to the difference between the void ratios in the loosest and fully dense state, is generally termed as (A) Degree of density (B) Relativity (C) Density index (D) All the above

Last Answer : Answer: Option D

Description : Optimum economic pipe diameter for fluid is determined by the (A) Viscosity of the fluid (B) Density of the fluid (C) Total cost considerations (pumping cost plus fixed cost of the pipe) (D) None of these

Last Answer : (C) Total cost considerations (pumping cost plus fixed cost of the pipe)

Description : Pick up the correct statement from the following: (A) The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float' (B) ... C) The difference between total float and free float, is called interfering float (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) Roasting is not necessary if iron ore is an oxide (B) Impurities float on the molten iron as slag (C) The slag contains lime about 45% (D) All the above

Last Answer : Answer: Option D

Description : The use of statistics to make assumptions concerning some unknown aspect of a population from a sample of that population is known as follow; a. Inferential Statistics b. Parameter c. Descriptive Statistics d. Sampling

Last Answer : a. Inferential Statistics

Description : A statistic is: a. a sample characteristic b. a population characteristic c. unknown d. normally distributed

Last Answer : a. a sample characteristic

Description : A parameter is: a. a sample characteristic b. a population characteristic c. unknown d. normal normally distributed 

Last Answer : b. a population characteristic

Description : A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? (A) The metal piece will simply float over the mercury (B ... will be immersed with its top surface just at mercury level (D) Metal piece will sink to the bottom

Last Answer : Answer: Option C

Description : Hot air balloons float in air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.

Last Answer : Hot air balloons float in air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.

Description : 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? (A) 100% (B) 95% (C) 75% (D) 20%

Last Answer : (B) 95%

Description : Want to know the explanation of verse 219 of Surah Bakara ?

Last Answer : 219) People ask you about alcohol and gambling. Say , 'There is great sin in both [ 1] and (somewhat) benefit for man , but the sin of both is greater than the benefit.' [ 2] People ask ... do not have to be at the door of others. See- https://www.hadithbd.com/tafsir.php?pageNum_RsTafsir=4&suraNo=2

Description : What is 219 converted to a mixed number?

Last Answer : Whole numbers such as 219 are not normally expressed as mixed numbers

Description : What is 30 minutes after 219 am?

Last Answer : It is 2:49 am (or 49 minutes past 2 am).

Description : What is the value of a savage model 219 .22 hornet?

Last Answer : Around $200, depending on condition.

Description : Acromegaly results from overproduction of (A) ACTH during childhood (B) TSH during adult life (C) Growth hormone during childhood (D) Growth hormone during adult life HORMONE METABOLISM 219

Last Answer : Answer : D

Description : The constitutional status has been given to Panchayats under Article. (1) 219 (2) 226 (3) 239 (4) 243

Last Answer : (4) 243 Explanation: Article 243 gives constitutional status to the Panchayats.

Description : If the operating frequency is 450 MHz what length of a pair of conductors is considered to be a transmission line? A. 2.19 ft B. 2.19 m C. 0.219 ft D. 0.219 m

Last Answer : C. 0.219 ft

Description : What is the availability of per day per capita milk in India presently (2008-09) ? (A) 229 gram (B) 239 gram (C) 219 gram (D) 252 gram

Last Answer : (D) 252 gram

Description : 16.14 Menotropins is a preparation of: A. FSH + LH obtained from urine of menstruating women B. LH obtained from urine of pregnant women C. FSH + LH obtained from urine of menopausal women D. LH obtained from serum of pregnant mare (p. 219

Last Answer : C. FSH + LH obtained from urine of menopausal women

Description : What is the least common multiple of 60 120 and 180?

Last Answer : The LCM of the three numbers is 360

Description : The temperature of interior surface of the cylinder wall in normal operation is not allowed to exceed a. 80 C b. 120 C c. 180 C d. 240 C

Last Answer : ANSWER c. 180 C

Description : The life span of RBC of man is - (1) 120 days (2) 150 days (3) 180 days (4) 190 days

Last Answer : (2) 150 days Explanation: The average life span of RBC is about 100-120 days. The old, worn out and dead RBC are destroyed mainly in an organ called spleen.

Description : The blood cholesterol level in 100ml of blood in a normal person varies between (1) 150 and 200 mg (2) 120 and 200 mg (3) 100 and 180 mg (4) 80 and 160 mg

Last Answer : (1) 150 and 200 mg Explanation: Cholesterol is defined as a waxy alcohol, fat-like substance that occurs naturally in all areas of the human body. Cholesterol is measured in milligrams per 100 ... to be normal blood cholesterol; 200-239 mg/dL borderlinehigh; and > 240 mg/dl high cholesterol.

Description : The normal cholesterol level in human blood is - (1) 80 - 120 mg% (2) 120 - 140 mg% (3) 140 - 180 mg% (4) 180 - 200 mg%

Last Answer : (4) 180 - 200 mg% Explanation: Cholesterol is defined as a waxy alcohol, fat-like substance that occurs naturally in all areas of the human body. 100-200 mg/dL is considered as normal for ... as the ratio of LDL to HDL cholesterol is considered a more important factor in prediction of disease risk.

Description : What will be the frequency of a three-phase, six pole, AC generator operating at 1800 revolutions per minute? A. 60 hertz B. 90 hertz C. 120 hertz D. 180 hertz

Last Answer : Answer: B

Description : An electric heating element supplied with 120 volts draws 15 amps. How much power will be consumed? A. 15 watts B. 45.57 watts C. 180 watts D. 1800 watts

Last Answer : Answer: D

Description : The lifespan of Red Blood Cells is ----- days? A. 60 B. 120 (Answer) C. 180 D. 240

Last Answer : B. 120 (Answer)

Description : At resonance the phase angle is equal to A 0 0B 180 0 C 120 0 D 90 0

Last Answer : D 90 0

Description : The angle between spring force and damping force is A 180 0 B 120 0 C 90 0 D 0 0

Last Answer : C 90 0

Description : Find the vector potential when the field intensity 60x 2 varies from (0,0,0) to (1,0,0). a) 120 b) -20 c) -180 d) 60

Last Answer : b) -20

Description : Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. (A) 90 (B) 120 (C) 150 (D) 180

Last Answer : (B) 120