As per USP, number of theoretical plates for an analyte peak in HPLC must be? A. More than 2000 B. More than 1000 C. More than 3000 D. More than 4000

As per USP, number of theoretical plates for an analyte peak in HPLC must be?  A. More than 2000  
B. More than 1000  
C. More than 3000  
D. More than 4000
by

1 Answer

Answer :

A. More than 2000
by

Related questions

The calibration of an HPLC detector can be evaluated by measurement of? A. Retention time B. Temperature C. Flow rate accuracy D. Intensity of the peak

Description : The calibration of an HPLC detector can be evaluated by measurement of? A. Retention time B. Temperature C. Flow rate accuracy D. Intensity of the peak

Last Answer : D. Intensity of the peak

The lowest amount of analyte in a sample which can be detected and quantified is called as? A. Limit of Detection B. Accuracy C. Limit of Quantitation D. Specificity

Description : The lowest amount of analyte in a sample which can be detected and quantified is called as? A. Limit of Detection B. Accuracy C. Limit of Quantitation D. Specificity

Last Answer : C. Limit of Quantitation

Elevation of temperate region from sea level ranges: a. 1000-2000 m b. 2500-3000 m c. 3500-4000 m d. b & c

Description : Elevation of temperate region from sea level ranges: a. 1000-2000 m b. 2500-3000 m c. 3500-4000 m d. b & c

Last Answer : b & c

The maximum delivery pressure of a reciprocating compressor may be about __________ kg/cm2 . (A) 1000 (B) 2000 (C) 3000 (D) 4000

Description : The maximum delivery pressure of a reciprocating compressor may be about __________ kg/cm2 . (A) 1000 (B) 2000 (C) 3000 (D) 4000

Last Answer : (D) 4000

Two Pelton turbines A and B have the same specific speed and are working under the same head. Turbine A produces 400 kW at 1000 rpm. If turbine B produces 100kW, then its rpm is (a) 4000 (b) 2000 (c) 1500 (d) 3000

Description : Two Pelton turbines A and B have the same specific speed and are working under the same head. Turbine A produces 400 kW at 1000 rpm. If turbine B produces 100kW, then its rpm is (a) 4000 (b) 2000 (c) 1500 (d) 3000

Last Answer : (b) 2000

Which of the following HPLC detectors is used as a bulk property or general purpose detector? A. Electrochemical detector B. Fluorescence detector C. UV-Visible detector D. Evaporative Light scattering detector

Description : Which of the following HPLC detectors is used as a bulk property or general purpose detector? A. Electrochemical detector B. Fluorescence detector C. UV-Visible detector D. Evaporative Light scattering detector

Last Answer : D. Evaporative Light scattering detector

Which of the following techniques would be most useful to determine the mass of an impurity in a drug substance? A. NMR B. MS C. IR D. HPLC

Description : Which of the following techniques would be most useful to determine the mass of an impurity in a drug substance? A. NMR B. MS C. IR D. HPLC

Last Answer : B. MS

In normal phase HPLC: A. a hydrophilic stationary phase is combined with a non-polar mobile phase. B. a hydrophobic stationary phase is combined with a polar mobile phase. C. a hydrophobic stationary phase is combined with a non-polar mobile phase. D. a hydrophilic stationary phase is combined with a polar mobile phase.

Description : In normal phase HPLC: A. a hydrophilic stationary phase is combined with a non-polar mobile phase. B. a hydrophobic stationary phase is combined with a polar mobile phase. C. a hydrophobic ... a non-polar mobile phase. D. a hydrophilic stationary phase is combined with a polar mobile phase.

Last Answer : A. a hydrophilic stationary phase is combined with a non-polar mobile phase

Which of the following is a mechanism of separation in HPLC? A. Partitioning B. Stabilization C. Electronic transition D. Extraction

Description : Which of the following is a mechanism of separation in HPLC? A. Partitioning B. Stabilization C. Electronic transition D. Extraction

Last Answer : A. Partitioning

In HPLC, the stationary phase is made of _________ and the mobile phase is made of _________ A. Solid, liquid B. Liquid, liquid C. Liquid, gas D. Solid, gas

Description : In HPLC, the stationary phase is made of _________ and the mobile phase is made of _________ A. Solid, liquid B. Liquid, liquid C. Liquid, gas D. Solid, gas

Last Answer : A. Solid, liquid

Application of HPLC includes? A. Detection of functional groups in organic compounds B. Determination of molecular mass C. Separation of volatile compounds D. Impurity profiling

Description : Application of HPLC includes? A. Detection of functional groups in organic compounds B. Determination of molecular mass C. Separation of volatile compounds D. Impurity profiling

Last Answer : D. Impurity profiling

Thrombolytic therapy has become a useful adjunct in the management of peripheral arterial occlusion. In this setting, direct intraarterial administration rather than intravenous has been advocated to decrease the risk of systemic bleeding. Which of the following true statement(s) concerning the use of thrombolytic agents for arterial occlusion is/are true? a. A standard technique involves infusing high-dose urokinase, 4000 units per minute for 1–2 hours, directly into the clot by a catheter embedded in the thrombus b. If progress is made, further fibrinolytic therapy is given at 1000 to 2000 units per minute until clot lysis has occurred c. The usual infusion time by the above-stated technique is usually in excess of 24 hours d. Successful clot lysis occurs more frequently in arterial graf

Description : Thrombolytic therapy has become a useful adjunct in the management of peripheral arterial occlusion. In this setting, direct intraarterial administration rather than intravenous has been advocated ... may be indicated for situations where complete clot evacuation cannot be accomplished surgically

Last Answer : Answer: a, b, e The most popular method for intraarterial thrombolytic therapy for arterial occlusion involves passing a guidewire through the thrombus with arteriographic guidance and ... acute arterial occlusion) or when distal vasculative is occluded and precludes appropriate inflow patency

Column efficiency is measured in terms of number of theoretical plates, which is: A. Inversely related to height equivalent to theoretical plates B. Directly related to the peak width C. Directly related to height equivalent to theoretical plates D. Inversely related to the peak width

Description : Column efficiency is measured in terms of number of theoretical plates, which is: A. Inversely related to height equivalent to theoretical plates B. Directly related to the peak width C. Directly related to height equivalent to theoretical plates D. Inversely related to the peak width

Last Answer : Inversely related to height equivalent to theoretical plates 

In EDSAC, an addition operation was completed in _____ micro seconds. (A) 4000 (B) 3000 (C) 2000 (D) 1500

Description : In EDSAC, an addition operation was completed in _____ micro seconds. (A) 4000 (B) 3000 (C) 2000 (D) 1500

Last Answer : (D) 1500

The conductivity of a material with current density 1 unit and electric field 200 μV is a) 2000 b) 3000 c) 4000 d) 5000

Description : The conductivity of a material with current density 1 unit and electric field 200 μV is a) 2000 b) 3000 c) 4000 d) 5000

Last Answer : d) 5000

Ravi, Rakesh and Vijay invest in a partnership in the ratio 7/2, 4/3, 6/5 respectively. After 4 months, Ravi increases his share 50%. If the total profit at the and of one year be Rs. 32,400, then what is Rakesh's share in the profit? 1) Rs. 2000 2) Rs. 3000 3) Rs. 4000 4) Rs. 5000 5) Rs. 6000

Description : Ravi, Rakesh and Vijay invest in a partnership in the ratio 7/2, 4/3, 6/5 respectively. After 4 months, Ravi increases his share 50%. If the total profit at the and of one year be Rs. 32,400, then what is Rakesh's ... the profit? 1) Rs. 2000 2) Rs. 3000 3) Rs. 4000 4) Rs. 5000 5) Rs. 6000

Last Answer : 5) Rs. 6000

. The three-stage Agni-V has a range of (a) 2000 KM (b) 3000 KM (c) 4000 KM (d) 5000 KM

Description : . The three-stage Agni-V has a range of (a) 2000 KM (b) 3000 KM (c) 4000 KM (d) 5000 KM

Last Answer : (d) 5000 KM

Keerthi and Kavi invest in a business in the ratio 7:5. If 10% of the total profit goes to charity and Keerthi’s share is Rs.2625 the total profit is. A) 5000 B) 2000 c) 3000 D) 4000

Description : Keerthi and Kavi invest in a business in the ratio 7:5. If 10% of the total profit goes to charity and Keerthi’s share is Rs.2625 the total profit is. A) 5000 B) 2000 c) 3000 D) 4000

Last Answer : Answer: A) Let the total profit be Rs.100 After playing to charity, keethi’s share = Rs(90 * 7/12) =Rs.52.5 If keerthi’s sghare is Rs.52.5 total profit = Rs 100 If keerthi’s share is Rs. 2625 Total profit = (100/52.5 *2625) =Rs.5000

SONET sends ________ frames per second A) 1000 B) 2000 C) 4000 D) 8000

Description : SONET sends ________ frames per second A) 1000 B) 2000 C) 4000 D) 8000

Last Answer : 2000

If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is (A) 500 cum (B) 1000 cum (C) 1500 cum (D) 2000 cum

Description : If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost ... the cost of manual excavation is (A) 500 cum (B) 1000 cum (C) 1500 cum (D) 2000 cum

Last Answer : (A) 500 cum

An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ............... and .............. (A) 4000 bauds \ sec & 1000 bps (B) 2000 bauds \ sec & 1000 bps (C) 1000 bauds \ sec & 500 bps (D) 1000 bauds \ sec & 4000 bps

Description : An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ............... and .............. (A) 4000 bauds \ sec & ... (B) 2000 bauds \ sec & 1000 bps (C) 1000 bauds \ sec & 500 bps (D) 1000 bauds \ sec & 4000 bps

Last Answer : (D) 1000 bauds \ sec & 4000 bps Explanation: Bit rate is the number of bits per second. Baud rate is the number of signal units per second. Baud rate is less than or equal to the bit rate. Baud rate = 1000 bauds per second (baud/s) Bit rate = 1000 x 4 = 4000 bps

The acceptance criteria for precision studies as per bioanalytical method validation is? A. % RE must be within + 10% B. % RE must be within + 15% C. % RE must be within + 20% D. % RE must be within + 5%

Description : The acceptance criteria for precision studies as per bioanalytical method validation is? A. % RE must be within + 10% B. % RE must be within + 15% C. % RE must be within + 20% D. % RE must be within + 5%

Last Answer : B. % RE must be within + 15%

Karan bought 1000 share of ABC Limited at Rs.910 through his broker excluding brokerage and taxes. However, the current market price of that share is Rs.915. Here, the amount of Rs.915 reflects ____________. a) value of share b) cost of investment c) investment value d) price of transaction

Description : Karan bought 1000 share of ABC Limited at Rs.910 through his broker excluding brokerage and taxes. However, the current market price of that share is Rs.915. Here, the amount of Rs.915 reflects ____________. a) value of share b) cost of investment c) investment value d) price of transaction

Last Answer : a) value of share

The monthly incomes of two persons are in the ratio 5 : 4 and their monthly expenditures are in the ratio 9 : 7. If each person saves Rs. 500 per month, then what are their monthly incomes? a) Rs 8000 and Rs 10000 b) Rs 3750 and Rs 3000 c) Rs 5000 and Rs 4000 d) Rs 4500 and Rs 4000 e) None of the above

Description : The monthly incomes of two persons are in the ratio 5 : 4 and their monthly expenditures are in the ratio 9 : 7. If each person saves Rs. 500 per month, then what are their monthly incomes? a) Rs 8000 and Rs ... Rs 3750 and Rs 3000 c) Rs 5000 and Rs 4000 d) Rs 4500 and Rs 4000 e) None of the above

Last Answer : Let the incomes of two persons be 5x and 4x let the expenditures of them be 9y and 7y Each person saves Rs. 500 Therefore, 5x - 9y = 500 4x - 7y = 500 Solving the above equations, 20x - 36y = 2000 20x - ... = 500 + 9(500) = 5000 X = 1000 Hence, their salaries are Rs. 5000 and Rs. 4000 Answer: c)

Heating value of coal is approximately (A) 1000-2000 kcal / kg (B) 2000-4000 kcal / kg (C) 5000-6500 kcal / kg (D) 9000-10,500 kcal / kg

Description : Heating value of coal is approximately (A) 1000-2000 kcal / kg (B) 2000-4000 kcal / kg (C) 5000-6500 kcal / kg (D) 9000-10,500 kcal / kg

Last Answer : Ans: C

Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be (A) 1000 kg (B) 4000 kg (C) 2000 kg (D) 8000 kg

Description : Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be (A) 1000 kg (B) 4000 kg (C) 2000 kg (D) 8000 kg

Last Answer : Answer: Option A

Heating value of coal is approximately in power plant (A) 1000-2000 kcal / kg (B) 2000-4000 kcal / kg (C) 5000-6500 kcal / kg (D) 9000-10,500 kcal / kg.

Description : Heating value of coal is approximately in power plant (A) 1000-2000 kcal / kg (B) 2000-4000 kcal / kg (C) 5000-6500 kcal / kg (D) 9000-10,500 kcal / kg.

Last Answer : 5000-6500 kcal / kg

A diffraction grating is optically equivalent to a multiple slit system in which the number of slit , N is typically A.2000/cm B.3000/cm C.5000/cm D.1000/cm

Description : A diffraction grating is optically equivalent to a multiple slit system in which the number of slit , N is typically A.2000/cm B.3000/cm C.5000/cm D.1000/cm

Last Answer : C.5000/cm

To improve a chromatographic separation, you must A. Increase the number of theoretical plates on the column. B. Increase the height of the theoretical plates on the column. C. Increase both the number and the height of the theoretical plates on the column. D. Decrease both the number and the height of the theoretical plates on the column

Description : To improve a chromatographic separation, you must A. Increase the number of theoretical plates on the column. B. Increase the height of the theoretical plates on the column. C. Increase both the number ... the column. D. Decrease both the number and the height of the theoretical plates on the column

Last Answer : Increase the number of theoretical plates on the column

A 3.2 m diameter balloon is filled with Helium. The total weight of balloon, gas and pay load is 10 kg kg. In an isothermal atmosphere having conditions identical to N.T.P. the balloon will rise to a height of about a.6000 m b.1500 m c.3000 m d.2000 m e.1000 m

Description : A 3.2 m diameter balloon is filled with Helium. The total weight of balloon, gas and pay load is 10 kg kg. In an isothermal atmosphere having conditions identical to N.T.P. the balloon will rise to a height of about a.6000 m b.1500 m c.3000 m d.2000 m e.1000 m

Last Answer : a. 6000 m

What is the weight of a Psp 1000 model console versus a 2000 and 3000 model?

Description : What is the weight of a Psp 1000 model console versus a 2000 and 3000 model?

Last Answer : The PSP 1000 and PSP 2000 are both .62 lbs/280 grams including battery.The PSP 3000 is approximately 189g / 6.7oz (including battery pack)

Maximum value of transaction for e-SBTR should be _________ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit

Description : Maximum value of transaction for e-SBTR should be _________ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit

Last Answer : E. No limit Explanation: There is no maximum limit.

Minimum value of transaction for e-SBTR should be _______ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit

Description : Minimum value of transaction for e-SBTR should be _______ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit

Last Answer : D. Rs.5000 Explanation: Minimum value of transaction for e-SBTR should be Rs.5,000.

Calculate equivalent stiffness of the spring for the system shown below, which has spring stiffness of 3000 N/m a. 1000 N/m b. 2250 N/m c. 2000 N/m d. None of the above

Description : Calculate equivalent stiffness of the spring for the system shown below, which has spring stiffness of 3000 N/m a. 1000 N/m b. 2250 N/m c. 2000 N/m d. None of the above

Last Answer : b. 2250 N/m

International parcel box rate is a) 1000,1500 & 2500 b) 2000,3000 & 5000 c) 750,1500&2500 d) None of these

Description : International parcel box rate is a) 1000,1500 & 2500 b) 2000,3000 & 5000 c) 750,1500&2500 d) None of these

Last Answer : a) 1000,1500 & 2500

International parcel box rate is a) 1000,1500 & 2500 b) 2000,3000 & 5000 c) 750,1500&2500 d) None of these

Description : International parcel box rate is a) 1000,1500 & 2500 b) 2000,3000 & 5000 c) 750,1500&2500 d) None of these

Last Answer : a) 1000,1500 & 2500

A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000

Description : A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000

Last Answer : (D) 10000 to 100000

Agni 4-- the most potent and technologically advanced among India’s strategic arsenal, has a range of (a) 1000 KM (b) 2000 KM (c) 3000 KM (d) 5000 KM

Description : Agni 4-- the most potent and technologically advanced among India’s strategic arsenal, has a range of (a) 1000 KM (b) 2000 KM (c) 3000 KM (d) 5000 KM

Last Answer : (c) 3000 KM

Which of the following is an invalid statement? a) abc = 1,000,000 b) a b c = 1000 2000 3000 c) a,b,c = 1000, 2000, 3000 d) a_b_c = 1,000,000

Description : Which of the following is an invalid statement? a) abc = 1,000,000 b) a b c = 1000 2000 3000 c) a,b,c = 1000, 2000, 3000 d) a_b_c = 1,000,000

Last Answer : Answer: b Explanation: Spaces are not allowed in variable names.

Which one of the following statements is correct concerning the weighted average cost of capital (WACC)? a) The WACC may decrease as a firm's debt-equity ratio increases. b) In the computation of WACC, weight assigned to the preferred stock is based on the coupon rate multiplied by the par value of the stock. c) A firm's WACC will decrease as the corporate tax rate decreases. d) The weight of the common stock used in the computation of the WACC is based on the number of shares outstanding multiplied by the book value per share.

Description : Which one of the following statements is correct concerning the weighted average cost of capital (WACC)? a) The WACC may decrease as a firm's debt-equity ratio increases. b) In the computation of ... of the WACC is based on the number of shares outstanding multiplied by the book value per share.

Last Answer : a) The WACC may decrease as a firm's debt-equity ratio increases.

The stability protocol of a tablet formulation must include? A. Vendor list for raw materials B. Batch No. C. Pharmacological category of the active substance D. Layout of the manufacturing area

Description : The stability protocol of a tablet formulation must include? A. Vendor list for raw materials B. Batch No. C. Pharmacological category of the active substance D. Layout of the manufacturing area

Last Answer : B. Batch No.

The per share value Dev should assign to RC Ltd. is closest to ___________. a) Rs.15.35 b) Rs.20.86 c) Rs.17.35 d) Rs.18.46

Description : The per share value Dev should assign to RC Ltd. is closest to ___________. a) Rs.15.35 b) Rs.20.86 c) Rs.17.35 d) Rs.18.46

Last Answer : c) Rs.17.35

XYZ company has 50 lakh shares outstanding and plans to raise Rs.20 lakh by offering 10 lakh shares at Rs.2 per share. What is XYZ's post-money valuation? a) Rs.1.20 crore b) Rs.1 crore c) Rs.50 lakh d) Rs.2 crore

Description : XYZ company has 50 lakh shares outstanding and plans to raise Rs.20 lakh by offering 10 lakh shares at Rs.2 per share. What is XYZ's post-money valuation? a) Rs.1.20 crore b) Rs.1 crore c) Rs.50 lakh d) Rs.2 crore

Last Answer : a) Rs.1.20 crore

. As per section 40(b) of the Income Tax Act, 1961, upto ____ % per annum simple interest on capital is allowed towards remuneration of working partners. a) 6 b) 12 c) 15

Description : . As per section 40(b) of the Income Tax Act, 1961, upto ____ % per annum simple interest on capital is allowed towards remuneration of working partners. a) 6 b) 12 c) 15

Last Answer : b) 12

As per the Competition Act, 2002, the sale of goods at a price, which is below the cost of production with a view to eliminate the competitors is called __________. a) predatory price b) preparatory price c) entry barrier price d) exit barrier price

Description : As per the Competition Act, 2002, the sale of goods at a price, which is below the cost of production with a view to eliminate the competitors is called __________. a) predatory price b) preparatory price c) entry barrier price d) exit barrier price

Last Answer : a) predatory price

How many batches should be considered for stress testing under basic conditions testing as per ICH? A. At least 3 B. At least 2 C. At least 1 D. At least 5

Description : How many batches should be considered for stress testing under basic conditions testing as per ICH? A. At least 3 B. At least 2 C. At least 1 D. At least 5

Last Answer : A. At least 3

Laminar flow of a Newtonian fluid ceases to exist, when the Reynolds number exceeds (A) 4000 (B) 2100 (C) 1500 (D) 3000

Description : Laminar flow of a Newtonian fluid ceases to exist, when the Reynolds number exceeds (A) 4000 (B) 2100 (C) 1500 (D) 3000

Last Answer : (B) 2100

Roundabouts are not suitable if number of vehicles exceed (A) 3000 (B) 4000 (C) 5000 (D) 6000

Description : Roundabouts are not suitable if number of vehicles exceed (A) 3000 (B) 4000 (C) 5000 (D) 6000

Last Answer : Answer: Option A

Indus civilisation developed around: A. 3000 BC B. 3500 BC C. 3600 BC D. 4000 BC

Description : Indus civilisation developed around: A. 3000 BC B. 3500 BC C. 3600 BC D. 4000 BC

Last Answer : ANSWER: A

. An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is (A) 4000 (B) 9000 (C) 4600 (D) 3000

Description : . An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is (A) 4000 (B) 9000 (C) 4600 (D) 3000

Last Answer : (A) 4000